Uncategorized
- Life
Neandertal genes point to interbreeding, inbreeding
DNA from 50,000 years ago underscores modest levels of mating across hominid populations.
- 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.
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- Planetary Science
Sinkholes, tectonics may have shaped Titan’s lakes and seas
A map of Saturn’s largest moon reveals clues about the object's landscape.
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- Animals
China trumps Near East for signs of most ancient farm cats
Earliest evidence found for grain as a force in feline domestication.
- Chemistry
Ancient bond holds life together, literally
The chemical link between sulfur and nitrogen in animal tissues and organs may have sparked the assembly of single cells into complex animals.
- Health & Medicine
Dog dust may benefit infant immune systems
Microbes from pet-owning houses protected mice against allergy, infection.
- 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.
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- Science & Society
Top 25 stories of 2013, from microbes to meteorites
This year, careful readers may have noticed a steady accumulation of revelations about the bacterial communities that call the human body home.
- Climate
Tornado intensity climbs in the United States
Larger paths of destruction may be tied to climate change.
