Uncategorized
- Humans
Year in review: Genes, bones tell new Clovis stories
The genes and bones of the Clovis people reveal the range and legacy of the early North Americans.
By Bruce Bower - Climate
Year in review: Climate warnings heat up
Climate change is here and the world is unprepared, scientists and policy makers declared multiple times in 2014.
By Beth Mole - Genetics
Year in review: Life’s complexity recoded
New genetic letters in bacteria and a simplified yeast chromosome showcase scientists' advances in understanding the simplicity and complexity of life.
- Environment
Year in review: Microbes exploit their killer
Triclosan, an unregulated antimicrobial chemical found in consumer products, may aid, rather than deter, microbes that invade people’s bodies.
By Beth Mole - Math
Math to match pedestrian behavior is all about timing
The best-ever simulation of pedestrians moving through a crowd relies on a new formula that encapsulates people’s ability to anticipate collisions.
By Andrew Grant - Ecosystems
Bee losses followed World Wars
British historical records show a century-long decline of important pollinators: bees and some wasps.
By Beth Mole - Life
New tree of life confirms strange history of birds
A genetic analysis supports some odd groupings in the bird tree of life, showing a lot of convergent evolution in avian history.
By Susan Milius - Earth
Mega volcanism indicted in dinosaur demise
Precision dating strengthens idea that climate-altering Deccan volcanism contributed to dinosaur extinction.
- Health & Medicine
Gene variant linked to robust flu vaccine response
Targeting an immune signaling protein called interleukin-28B might boost protection generated by flu shots.
By Nathan Seppa - Health & Medicine
Hallucinated voices’ attitudes vary with culture
Culture puts good or bad spin on voices heard by people with schizophrenia.
By Bruce Bower - Life
Imprisoning parasites can deter malaria’s spread
Disabling a protein traps malaria-causing parasites within red blood cells and prevents the organisms from reproducing.
- Planetary Science
Rosetta casts doubt on comets as Earth’s water providers
Water in comet 67P’s thin, hazy atmosphere doesn’t chemically match Earth’s oceans, suggesting that asteroids, not comets, brought water to the planet.