Life
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We summarize the week's scientific breakthroughs every Thursday.
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LifeGenetic fossils betray hepatitis B’s ancient roots
Modern bird genomes reveal evidence that virus is at least 82 million years old.
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LifeBees need honey’s natural pharmaceuticals
Ingredients trigger insects' genes for detoxification and immune defenses against bacteria.
By Susan Milius -
LifeSigns of culture in whales and monkeys
Mammals learn feeding behaviors from their friends and family members.
By Meghan Rosen -
LifeSo far, the great tit has coped with climate change
Earlier arrival of birds’ food due to warming temperatures hasn’t yet reduced bird population.
By Susan Milius -
LifeBirds may have had to crouch before they could fly
Digital reconstructions of avian ancestors show a progressive redistribution of weight toward the front of the body.
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LifeMutation makes H5N1 flu lose its grip
Laboratory-added genetic change makes avian influenza unable to bind to bird cells.
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LifeWhy corals do calisthenics
Pulsating motion appears to flush water to improve photosynthetic efficiency in symbiotic algae.
By Susan Milius -
PaleontologyMy Beloved Brontosaurus
On the Road with Old Bones, New Science, and Our Favorite Dinosaurs by Brian Switek.
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AnimalsA Different Kind of Smart
Animals’ cognitive shortcomings are as revealing as their genius.
By Susan Milius -
LifeBats are 3-D cartographers
Special cells in the mammal’s brain chart its path as it flies.
By Meghan Rosen -
LifeInfants, whether mice or human, love to be carried
Being toted around calms and quiets babies of both species.
By Meghan Rosen -
MicrobesSome like it acidic
In a higher-carbon world of altered oceans, a shelled plankton species may flourish.