Uncategorized
- 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.
- Microbes
Virus-thwarting mosquitoes decline on Vietnamese island
Scientists plan to release second generation of mosquitoes that stop the spread of dengue fever.
- Earth
Green lightning may be caused by positive charges, or by camera lens
Physicist offers possible explanations for stunning photograph of volcanic eruption.
- Life
Animal origins shift to comb jellies
Genetic data confirm the marine predators have more ancient origin than simpler sponges.
- Paleontology
Fleshy comb is first found on a dinosaur
A fossil head has both a duck bill and a soft-tissue crest, scientists suggest.
- Planetary Science
Europa vents water, Hubble data suggest
Plumes from ice-covered oceans would increase likelihood of life-friendly conditions on one moon of Jupiter.
- Environment
World’s worst polluted
A new report by Green Cross Switzerland and the Blacksmith Institute lists places posing the greatest risk to human health.
