Genetics
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Animals
Colugo genome reveals gliders as primate cousins
New genetic analysis suggests gliding mammals called colugos are actually sisters to modern primates.
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Genetics
Scientists get a glimpse of chemical tagging in live brains
For the first time scientists can see where molecular tags known as epigenetic marks are placed in the brain.
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Genetics
Scientists get a glimpse of chemical tagging in live brains
For the first time scientists can see where molecular tags known as epigenetic marks are placed in the brain.
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Paleontology
Humans may have taken different path into Americas than thought
An ice-free corridor through the North American Arctic may have been too barren to support the first human migrations into the New World.
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Genetics
Ancient reptiles saw red before turning red
The discovery that birds and turtles share a gene tied to both color vision and red coloration is more evidence that dinosaurs probably saw the color red — and perhaps were even red, too.
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Genetics
Rats offer clues to biology of alcoholism
Heavy-drinking rats are giving scientists new genetic clues to alcoholism.
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Plants
Why a parasitic vine can’t take a bite out of tomatoes
Cultivated tomatoes fend off parasitic vines as they would microbes.
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Genetics
Dolly the Sheep’s cloned sisters aging gracefully
Cloning doesn’t cause premature aging in sheep.
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Genetics
Evolution of gut bacteria tracks splits in primate species
Primates and microbes have been splitting in sync for at least 10 million years.
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Genetics
Swapping analogous genes no problem among species
Many genes are interchangeable between yeast, bacteria, plants and humans.
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Genetics
Herbicide no match for fruit flies’ gut microbes
Friendly gut bacteria team up to break down herbicide that might otherwise harm fruit flies.
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Health & Medicine
No one-fits-all healthy diet exists
Mice’s response to diet varies with their genes.