Life
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We summarize the week's scientific breakthroughs every Thursday.
- Anthropology
Christina Warinner uncovers ancient tales in dental plaque
Molecular biologist Christina Warinner studies calculus, or fossilized dental plaque, which contains a trove of genetic clues to past human diet and disease.
- Health & Medicine
Luhan Yang strives to make pig organs safe for human transplants
A bold approach to genome editing by biologist Luhan Yang could alleviate the shortage of organs and ease human suffering.
- Paleontology
A baby ichthyosaur’s last meal revealed
A new look at an old fossil shows that some species of baby ichthyosaurs may have dined on squid.
- Paleontology
A baby ichthyosaur’s last meal revealed
A new look at an old fossil shows that some species of baby ichthyosaurs may have dined on squid.
- Life
Cracking the body clock code wins trio a Nobel Prize
Circadian clock researchers take home the Nobel Prize in physiology or medicine.
By Tina Hesman Saey and Aimee Cunningham - Life
Body clock mechanics wins U.S. trio the Nobel Prize in physiology or medicine
The cellular mechanisms governing circadian rhythms was a Nobel Prize‒winning discover for three Americans.
- Oceans
Castaway critters rafted to U.S. shores aboard Japan tsunami debris
Researchers report finding 289 living Japanese marine species that washed up on American shores on debris from the 2011 East Japan earthquake and tsunami.
- Genetics
A mutation may explain the sudden rise in birth defects from Zika
A mutation in a protein that helps Zika exit cells may play a big role in microcephaly.
- Climate
Tropical forests have flipped from sponges to sources of carbon dioxide
Analyses of satellite images suggest that degraded forests now release more carbon than they store.
- Genetics
Ancient boy’s DNA pushes back date of earliest humans
Genes from South African fossils suggest humans emerged close to 300,000 years ago.
By Bruce Bower - Animals
Bedbugs may be into dirty laundry
When humans aren’t around, bedbugs go for the next best thing: smelly human laundry.
- Paleontology
Saber-toothed kittens were born armed to pounce
Even as babies, saber-toothed cats had not only oversized canine teeth but also unusually powerful forelimbs.