Humans
- Life
Neandertal genes point to interbreeding, inbreeding
DNA from 50,000 years ago underscores modest levels of mating across hominid populations.
By Bruce Bower - Microbes
A newfound respect for the microbial world
Despite what many people think about humans’ place in the scheme of things, scientists are finding more evidence that we live in a world of microbes.
By Eva Emerson -
- Animals
China trumps Near East for signs of most ancient farm cats
Earliest evidence found for grain as a force in feline domestication.
By Susan Milius - Health & Medicine
Dog dust may benefit infant immune systems
Microbes from pet-owning houses protected mice against allergy, infection.
By Nathan Seppa - Archaeology
Easter Island’s farmers cultivated social resilience, not collapse
A Polynesian society often presumed to have self-destructed shows signs of having carried on instead.
By Bruce Bower - Genetics
You are what your dad ate, perhaps
Your development is affected by what your mother ate while she was pregnant with you. Is it also affected by what your father ate? A new study suggests that folate deficiency in dads can affect their offspring through epigenetic changes.
- Neuroscience
Concussion-free head blows may still affect brain
Some college athletes who played contact sports had more changes in their brain’s white matter than varsity competitors in less violent games.
- Health & Medicine
For babies, walking opens a whole new world
Walking and talking are linked as babies develop, anecdote and data show.
- Health & Medicine
Staph bacteria linger deep in our noses
The nasal cavity has hidden crevices where the disease-causing bacteria like to hang out.
- Life
Dietary changes affect gut microbes within a day
Menu restricted to meat, egg and cheese alters bacterial mix more than eating only plants.
- Materials Science
Nanoglue attaches tissues to each other
Silica particles could repair and help engineer human organs.
By Beth Mole