Humans
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Life
Protein that gets sperm into egg identified
The protein Folr4 on a reproductive egg plays this crucial role in the fusion of the sperm and egg, research shows.
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Neuroscience
Even with rest, brain changes linked to football linger
The offseason may not allow enough time for football players' brains to heal from hard hits.
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Genetics
Gene activity sets humans apart from extinct hominids
Differences in gene activity caused by DNA methylation distinguish modern people from Neandertals and Denisovans.
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Genetics
Down’s syndrome goes beyond chromosome 21
A genetic analysis suggests that the DNA changes linked to Down's syndrome happen on all chromosomes, not just the 21st.
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Health & Medicine
Possible measles drug tests well in animals
Compound that saves ferrets from viral infection might someday lead to measles treatment.
By Nathan Seppa -
Health & Medicine
What’s going on in the mind of a Skyping baby?
By studying how young children respond to video calls, scientists hope to understand the role of new technology.
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Psychology
That beard is only hot because it’s not cool
There’s more to facial hair than whether you can grow it. A new study shows that attractiveness increases when your style of facial hair is rare.
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Health & Medicine
Triclosan aids nasal invasions by staph
The antimicrobial compound triclosan, commonly found in soaps and toothpaste, may help Staphylococcus aureus stick around.
By Beth Mole -
Anthropology
Laetoli footprints show signs of unusual gait
Contrary to prior study, 3.6-million-year-old hominids in Tanzania did not walk like humans.
By Bruce Bower -
Anthropology
Earliest case of a battered child found in Greece
A baby living in Athens around 2,200 years ago was probably beaten to death.
By Bruce Bower -
Anthropology
Ancient boy died surprisingly young
Imaging analysis reduces age of Australopithecus sediba youngster from 9 to 7.5 years old.
By Bruce Bower -
Anthropology
Turkana Boy sparks row over Homo erectus height
Estimating the adult height and weight of an ancient youth from his skeleton has proven tricky.
By Bruce Bower