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Daisy anther. Coloured scanning electron micrograph (SEM) of pollen grains on the anther of a common daisy (Bellis perennis). A single dianthus pollen grain is also present. Pollen grains are the male gametes (sex cells) of a plant. Their

Sep 20, 2024 06:00 AM

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Daisy anther. Coloured scanning electron micrograph (SEM) of pollen grains on the anther of a common daisy (Bellis perennis). A single dianthus pollen grain is also present. Pollen grains are the male gametes (sex cells) of a plant. Their

Caterpillars on a leaf. Coloured scanning electron micrograph (SEM) of caterpillars (order Lepidoptera) on a leaf. Magnification: x10 when printed at 10 centimetres wide

Sep 20, 2024 06:00 AM

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Caterpillars on a leaf. Coloured scanning electron micrograph (SEM) of caterpillars (order Lepidoptera) on a leaf. Magnification: x10 when printed at 10 centimetres wide

Fat cells. Coloured scanning electron micrograph (SEM) of joined fat-storing cells (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter. Almost the entire volume of an individual

Sep 20, 2024 06:00 AM

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Fat cells. Coloured scanning electron micrograph (SEM) of joined fat-storing cells (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter. Almost the entire volume of an individual

Facial scrub particles, SEM. Coloured scanning electron micrograph (SEM) of particles found within consumer facial scrub lotion. The large flakes are silica particles that measure only a few micrometres in width each. The flakes act as exfoliating

Sep 20, 2024 06:00 AM

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Facial scrub particles, SEM. Coloured scanning electron micrograph (SEM) of particles found within consumer facial scrub lotion. The large flakes are silica particles that measure only a few micrometres in width each. The flakes act as exfoliating

Blood clot. Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes) trapped in a fibrin mesh. The production of fibrin is triggered by cells called platelets, activated when a blood vessel is damaged. The fibrin binds the

Sep 20, 2024 06:00 AM

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Blood clot. Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes) trapped in a fibrin mesh. The production of fibrin is triggered by cells called platelets, activated when a blood vessel is damaged. The fibrin binds the

Sep 20, 2024 06:00 AM

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Fat cells. Coloured scanning electron micrograph (SEM) of joined fat-storing cells (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter. Almost the entire volume of an individual

Yeast cells. Coloured scanning electron micrograph (SEM) of cells of yeast used for champagne making (Saccharomyces cerevisiae). This fungus consists of single vegetative cells. Small daughter cells can be seen budding off from some of the larger

Sep 20, 2024 06:00 AM

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Yeast cells. Coloured scanning electron micrograph (SEM) of cells of yeast used for champagne making (Saccharomyces cerevisiae). This fungus consists of single vegetative cells. Small daughter cells can be seen budding off from some of the larger

Bluebottle fly foot, coloured scanning electron micrograph (SEM). The fly uses the two claws on each of its feet to help it grip on rough surfaces. On smooth surfaces, the hairs on its pads (pulvilli) help it to grip, by secreting an adhesive

Sep 20, 2024 06:00 AM

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Bluebottle fly foot, coloured scanning electron micrograph (SEM). The fly uses the two claws on each of its feet to help it grip on rough surfaces. On smooth surfaces, the hairs on its pads (pulvilli) help it to grip, by secreting an adhesive

Emerald dove (Chalcophaps indica) feather, coloured scanning electron micrograph (SEM). The central shaft, or rachis runs from upper right to upper left. Rows of filaments, known as barbs, project from either side of the rachis. Along the length of

Sep 20, 2024 06:00 AM

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Emerald dove (Chalcophaps indica) feather, coloured scanning electron micrograph (SEM). The central shaft, or rachis runs from upper right to upper left. Rows of filaments, known as barbs, project from either side of the rachis. Along the length of

Abutilon leaf trichomes. Scanning electron micrograph of trichomes from an abutilon leaf. Trichomes are specialised structures that may perform several functions, such as preventing water loss or deterring animals from eating the plant. Abutilon is

Sep 20, 2024 06:00 AM

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Abutilon leaf trichomes. Scanning electron micrograph of trichomes from an abutilon leaf. Trichomes are specialised structures that may perform several functions, such as preventing water loss or deterring animals from eating the plant. Abutilon is

Bird red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes, red) from avian tissue. These cells contain haemoglobin, a pigment that allows them to carry oxygen around the body. Non-mammalian red blood cells

Sep 20, 2024 06:00 AM

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Bird red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes, red) from avian tissue. These cells contain haemoglobin, a pigment that allows them to carry oxygen around the body. Non-mammalian red blood cells

Uterus (mid-secretory stage). Coloured scanning electron micrograph (SEM) of the surface lining or endometrium of the human uterus during the mid- secretory stage of the menstrual cycle. The lining builds up (proliferation) in the first 14 days of

Sep 20, 2024 06:00 AM

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Uterus (mid-secretory stage). Coloured scanning electron micrograph (SEM) of the surface lining or endometrium of the human uterus during the mid- secretory stage of the menstrual cycle. The lining builds up (proliferation) in the first 14 days of

$Gallstone crystals. Coloured scanning electron micrograph (SEM) of the crystalline surface of a fractured gallstone. Gallstones form in the gallbladder when there is an imbalance in the chemical composition of the bile. Gallstones mostly consist of$

Sep 20, 2024 06:00 AM

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Gallstone crystals. Coloured scanning electron micrograph (SEM) of the crystalline surface of a fractured gallstone. Gallstones form in the gallbladder when there is an imbalance in the chemical composition of the bile. Gallstones mostly consist of

Vapourer moth caterpillar (Orgyia antiqua), coloured scanning electron micrograph (SEM). This caterpillar appears between April and May. It is brightly coloured, with viole, red and yellow markings, and tufts of hair. The larvae feed on the leaves

Sep 20, 2024 06:00 AM

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Vapourer moth caterpillar (Orgyia antiqua), coloured scanning electron micrograph (SEM). This caterpillar appears between April and May. It is brightly coloured, with viole, red and yellow markings, and tufts of hair. The larvae feed on the leaves

Sep 20, 2024 06:00 AM

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Vapourer moth caterpillar (Orgyia antiqua), coloured scanning electron micrograph (SEM). This caterpillar appears between April and May. It is brightly coloured, with viole, red and yellow markings, and tufts of hair. The larvae feed on the leaves

Sep 20, 2024 06:00 AM

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Abutilon leaf trichomes. Scanning electron micrograph of trichomes from an abutilon leaf. Trichomes are specialised structures that may perform several functions, such as preventing water loss or deterring animals from eating the plant. Abutilon is

Sep 20, 2024 06:00 AM

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Vapourer moth caterpillar (Orgyia antiqua), coloured scanning electron micrograph (SEM). This caterpillar appears between April and May. It is brightly coloured, with viole, red and yellow markings, and tufts of hair. The larvae feed on the leaves

Grain weevil. Coloured scanning electron micrograph of a grain weevil (Sitophilus granarius). This beetle infests and damages stored grain, using the mandibles at the end of its elongated snout, or rostrum, to cut through the shell of a wheat grain

Sep 20, 2024 06:00 AM

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Grain weevil. Coloured scanning electron micrograph of a grain weevil (Sitophilus granarius). This beetle infests and damages stored grain, using the mandibles at the end of its elongated snout, or rostrum, to cut through the shell of a wheat grain

Sep 20, 2024 06:00 AM

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Bluebottle fly foot, coloured scanning electron micrograph (SEM). The fly uses the two claws on each of its feet to help it grip on rough surfaces. On smooth surfaces, the hairs on its pads (pulvilli) help it to grip, by secreting an adhesive

$Gallstone crystals. Coloured scanning electron micrograph (SEM) of the crystalline surface of a fractured gallstone. Gallstones form in the gallbladder when there is an imbalance in the chemical composition of the bile. Gallstones mostly consist of$

Sep 20, 2024 06:00 AM

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Gallstone crystals. Coloured scanning electron micrograph (SEM) of the crystalline surface of a fractured gallstone. Gallstones form in the gallbladder when there is an imbalance in the chemical composition of the bile. Gallstones mostly consist of

Sep 20, 2024 06:00 AM

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Fat cells. Coloured scanning electron micrograph (SEM) of joined fat-storing cells (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter. Almost the entire volume of an individual

Sep 20, 2024 06:00 AM

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Uterus (mid-secretory stage). Coloured scanning electron micrograph (SEM) of the surface lining or endometrium of the human uterus during the mid- secretory stage of the menstrual cycle. The lining builds up (proliferation) in the first 14 days of

Sep 20, 2024 06:00 AM

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Emerald dove (Chalcophaps indica) feather, coloured scanning electron micrograph (SEM). The central shaft, or rachis runs from upper right to upper left. Rows of filaments, known as barbs, project from either side of the rachis. Along the length of

Bone tissue. Coloured scanning electron micrograph (SEM) of cancellous (spongy) bone. Bone tissue can be either cortical (compact) or cancellous. Cortical bone usually makes up the exterior of the bone, while cancellous bone is found in the interior

Sep 20, 2024 06:00 AM

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Bone tissue. Coloured scanning electron micrograph (SEM) of cancellous (spongy) bone. Bone tissue can be either cortical (compact) or cancellous. Cortical bone usually makes up the exterior of the bone, while cancellous bone is found in the interior

Sep 20, 2024 06:00 AM

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Caterpillars on a leaf. Coloured scanning electron micrograph (SEM) of caterpillars (order Lepidoptera) on a leaf. Magnification: x10 when printed at 10 centimetres wide

Sep 20, 2024 06:00 AM

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Facial scrub particles, SEM. Coloured scanning electron micrograph (SEM) of particles found within consumer facial scrub lotion. The large flakes are silica particles that measure only a few micrometres in width each. The flakes act as exfoliating

Diatom. Coloured scanning electron micrograph (SEM) of an Actinoptychus.sp. diatom. Diatoms are single-celled photosynthetic algae, of which there are about 100, 000 species. They have mineralised cell walls (frustules) that contain silica and

Sep 20, 2024 06:00 AM

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Diatom. Coloured scanning electron micrograph (SEM) of an Actinoptychus.sp. diatom. Diatoms are single-celled photosynthetic algae, of which there are about 100, 000 species. They have mineralised cell walls (frustules) that contain silica and

Flour beetle larva, coloured scanning electron micrograph (SEM). Flour beetle (family Tenebrionidae) larvae are pests of cereal silos and are widely used as laboratory animals, as they are easy to keep. The beetles are adapted to survive in very dry

Sep 20, 2024 06:00 AM

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Flour beetle larva, coloured scanning electron micrograph (SEM). Flour beetle (family Tenebrionidae) larvae are pests of cereal silos and are widely used as laboratory animals, as they are easy to keep. The beetles are adapted to survive in very dry

Aubergine pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from the flower of an aubergine (Solanum melongena, eggplant) plant. aubergine ( eggplant) is a plant species in the nightshade family Solanaceae. Solanum

Sep 20, 2024 06:00 AM

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Aubergine pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from the flower of an aubergine (Solanum melongena, eggplant) plant. aubergine ( eggplant) is a plant species in the nightshade family Solanaceae. Solanum

Sep 20, 2024 06:00 AM

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Fat cells. Coloured scanning electron micrograph (SEM) of joined fat-storing cells (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter. Almost the entire volume of an individual

Sep 20, 2024 06:00 AM

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Fat cells. Coloured scanning electron micrograph (SEM) of joined fat-storing cells (adipocytes). Fat cells are one of the largest cell types in the human body, each cell being 100 to 120 microns in diameter. Almost the entire volume of an individual

Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells. They circulate in the blood and also remove

Sep 20, 2024 06:00 AM

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Red blood cells. Coloured scanning electron micrograph (SEM) of red blood cells (RBCs, erythrocytes). Red blood cells are biconcave, disc-shaped cells that transport oxygen from the lungs to body cells. They circulate in the blood and also remove

$Feeding aphid. Coloured scanning electron micrograph (SEM) of an aphid (order Hemiptera), or greenfly. The compound eyes can be seen either side of its head. Below its head, between the first pair of legs, is the aphid\'s tube-like mouthparts$

Sep 20, 2024 06:00 AM

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Feeding aphid. Coloured scanning electron micrograph (SEM) of an aphid (order Hemiptera), or greenfly. The compound eyes can be seen either side of its head. Below its head, between the first pair of legs, is the aphid's tube-like mouthparts

Sep 20, 2024 06:00 AM

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Diatom. Coloured scanning electron micrograph (SEM) of an Actinoptychus.sp. diatom. Diatoms are single-celled photosynthetic algae, of which there are about 100, 000 species. They have mineralised cell walls (frustules) that contain silica and

$Feeding aphid. Coloured scanning electron micrograph (SEM) of an aphid (order Hemiptera), or greenfly. The compound eyes can be seen either side of its head. Below its head, between the first pair of legs, is the aphid\'s tube-like mouthparts$

Sep 20, 2024 06:00 AM

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Feeding aphid. Coloured scanning electron micrograph (SEM) of an aphid (order Hemiptera), or greenfly. The compound eyes can be seen either side of its head. Below its head, between the first pair of legs, is the aphid's tube-like mouthparts

$Eyelash. Coloured scanning electron micrograph (SEM) of a fracture through an eyelash. A hair is growing from a follicle in the underlying layer of skin (the dermis) surrounding the eye. The portion of the hair protruding from the skin is made up of$

Sep 20, 2024 06:00 AM

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Eyelash. Coloured scanning electron micrograph (SEM) of a fracture through an eyelash. A hair is growing from a follicle in the underlying layer of skin (the dermis) surrounding the eye. The portion of the hair protruding from the skin is made up of

$Juan Carlos Coraza, mentor of actor Javier Bardem, presents the Donostia Award during the opening gala of the 72nd San Sebastian International Film Festival. Actor, Javier Bardem receives the Donostia Award, which the Festival presents to established actors for the trajectory of their careers, from his siblings Monica and Carlos Bardem and his mentor, Juan Carlos Coraza. (Photo by Javi Julio \/ SOPA Images\/Sipa USA$

Sep 20, 2024 06:00 AM

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Juan Carlos Coraza, mentor of actor Javier Bardem, presents the Donostia Award during the opening gala of the 72nd San Sebastian International Film Festival. Actor, Javier Bardem receives the Donostia Award, which the Festival presents to established actors for the trajectory of their careers, from his siblings Monica and Carlos Bardem and his mentor, Juan Carlos Coraza. (Photo by Javi Julio / SOPA Images/Sipa USA

Sep 20, 2024 06:00 AM

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Blood clot. Coloured scanning electron micrograph (SEM) of red blood cells (erythrocytes) trapped in a fibrin mesh. The production of fibrin is triggered by cells called platelets, activated when a blood vessel is damaged. The fibrin binds the

Sep 20, 2024 06:00 AM

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Vapourer moth caterpillar (Orgyia antiqua), coloured scanning electron micrograph (SEM). This caterpillar appears between April and May. It is brightly coloured, with viole, red and yellow markings, and tufts of hair. The larvae feed on the leaves

Brochosomes, Coloured scanning electron micrograph (SEM). Brochosomes are intricately structured microscopic granules secreted by leafhoppers. After each molt, leafhoppers release droplets of the brochosome-containing fluid through the anus and

Sep 20, 2024 06:00 AM

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Brochosomes, Coloured scanning electron micrograph (SEM). Brochosomes are intricately structured microscopic granules secreted by leafhoppers. After each molt, leafhoppers release droplets of the brochosome-containing fluid through the anus and

$Comedians Berto Romero (L), Cayetana Guillen Cuervo (C) President of the Spanish Academy of Performing Arts and Andreu Buenafuente (R) present the opening gala of the 72nd San Sebastian International Film Festival. Actor, Javier Bardem receives the Donostia Award, which the Festival presents to established actors for the trajectory of their careers, from his siblings Monica and Carlos Bardem and his mentor, Juan Carlos Coraza. (Photo by Javi Julio \/ SOPA Images\/Sipa USA$

Sep 20, 2024 06:00 AM

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Comedians Berto Romero (L), Cayetana Guillen Cuervo (C) President of the Spanish Academy of Performing Arts and Andreu Buenafuente (R) present the opening gala of the 72nd San Sebastian International Film Festival. Actor, Javier Bardem receives the Donostia Award, which the Festival presents to established actors for the trajectory of their careers, from his siblings Monica and Carlos Bardem and his mentor, Juan Carlos Coraza. (Photo by Javi Julio / SOPA Images/Sipa USA

Euastrum desmid. Scanning electron micrograph (SEM) of a Euastrum species desmid green alga. Desmids are a common group of freshwater single-celled algae that have intricate cell walls. Magnification: x600 when printed at 10 centimetres wide

Sep 20, 2024 06:00 AM

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Euastrum desmid. Scanning electron micrograph (SEM) of a Euastrum species desmid green alga. Desmids are a common group of freshwater single-celled algae that have intricate cell walls. Magnification: x600 when printed at 10 centimetres wide

Sep 20, 2024 06:00 AM

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Aubergine pollen grains. Coloured scanning electron micrograph (SEM) of pollen grains from the flower of an aubergine (Solanum melongena, eggplant) plant. aubergine ( eggplant) is a plant species in the nightshade family Solanaceae. Solanum

Caenorhabditis elegans worm, coloured scanning electron micrograph (SEM). C. elegans is a soil-dwelling hermaphrodite nematode worm and one of the most studied animals in biological and genetic research. A tendency to reproduce by self-fertilisation

Sep 20, 2024 06:00 AM

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Caenorhabditis elegans worm, coloured scanning electron micrograph (SEM). C. elegans is a soil-dwelling hermaphrodite nematode worm and one of the most studied animals in biological and genetic research. A tendency to reproduce by self-fertilisation

Sep 20, 2024 06:00 AM

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Flour beetle larva, coloured scanning electron micrograph (SEM). Flour beetle (family Tenebrionidae) larvae are pests of cereal silos and are widely used as laboratory animals, as they are easy to keep. The beetles are adapted to survive in very dry

Sep 20, 2024 06:00 AM

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Caenorhabditis elegans worm, coloured scanning electron micrograph (SEM). C. elegans is a soil-dwelling hermaphrodite nematode worm and one of the most studied animals in biological and genetic research. A tendency to reproduce by self-fertilisation

$Spanish actor Javier Bardem receives the Donostia Award from his mentor, Juan Carlos Coraza, during the opening gala of the 72nd San Sebastian International Film Festival. Actor, Javier Bardem receives the Donostia Award, which the Festival presents to established actors for the trajectory of their careers, from his siblings Monica and Carlos Bardem and his mentor, Juan Carlos Coraza. (Photo by Javi Julio \/ SOPA Images\/Sipa USA$

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Sep 20, 2024 06:00 AM

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Spanish actor Javier Bardem receives the Donostia Award from his mentor, Juan Carlos Coraza, during the opening gala of the 72nd San Sebastian International Film Festival. Actor, Javier Bardem receives the Donostia Award, which the Festival presents to established actors for the trajectory of their careers, from his siblings Monica and Carlos Bardem and his mentor, Juan Carlos Coraza. (Photo by Javi Julio / SOPA Images/Sipa USA

Breast milk bacteria. Coloured scanning electron micrograph (SEM) from a culture of breast milk. Several recent studies have found that breast milk contains a healthy dose of commensal bacteria; all the staphylococci, streptococci, and lactic acid

Sep 20, 2024 06:00 AM

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Breast milk bacteria. Coloured scanning electron micrograph (SEM) from a culture of breast milk. Several recent studies have found that breast milk contains a healthy dose of commensal bacteria; all the staphylococci, streptococci, and lactic acid

Black mustard seed. Coloured scanning electron micrograph (SEM) of a black mustard seed. This seed comes from the black mustard plant (Brassica nigra) and is used in crushed form as a culinary spice or oil. Magnification: x60 when printed 10

Sep 20, 2024 06:00 AM

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Black mustard seed. Coloured scanning electron micrograph (SEM) of a black mustard seed. This seed comes from the black mustard plant (Brassica nigra) and is used in crushed form as a culinary spice or oil. Magnification: x60 when printed 10

$Jaione Camborda, director of jury of 72nd San Sebastian International Film Festival seen during the opening gala of the 72nd San Sebastian International Film Festival. Actor, Javier Bardem receives the Donostia Award, which the Festival presents to established actors for the trajectory of their careers, from his siblings Monica and Carlos Bardem and his mentor, Juan Carlos Coraza. (Photo by Javi Julio \/ SOPA Images\/Sipa USA$

Sep 20, 2024 06:00 AM

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Jaione Camborda, director of jury of 72nd San Sebastian International Film Festival seen during the opening gala of the 72nd San Sebastian International Film Festival. Actor, Javier Bardem receives the Donostia Award, which the Festival presents to established actors for the trajectory of their careers, from his siblings Monica and Carlos Bardem and his mentor, Juan Carlos Coraza. (Photo by Javi Julio / SOPA Images/Sipa USA