Uncategorized
- Environment
Oil from BP spill may be sitting on seafloor
More than four years after the Deepwater Horizon disaster in the Gulf of Mexico, scientists find that oil is still lingering over a large area on the seafloor.
- Paleontology
Ancient jellyfish suffered strange, sandy death
A fossil hints at the unusual series of events that led to an ancient jellyfish’s preservation and may offer clues to understanding odd sand deposits found elsewhere.
- Health & Medicine
Harmless bacterium edges out intestinal germ
Researchers treated C. difficile infections in mice with a closely related bacteria that blocks C. difficile growth.
- Health & Medicine
Daylight savings time tied to more exercise in children
Kids in Europe and Australia are slightly more active in longer-lit evenings, a new study shows.
- Archaeology
Ice Age hunter-gatherers lived at extreme altitudes
Two archaeological sites in the Andes indicate that hunter-gatherers inhabited extreme altitudes earlier than previously thought.
- Genetics
Men who lose Y chromosome have high risk of cancer
Losing the Y chromosome in blood cells may bring on cancer and shorten men’s lives.
- Plants
How female ferns make younger neighbors male
Precocious female ferns release a partly formed sexual-identity hormone, and nearby laggards finish it and go masculine.
- Genetics
Easter Islanders sailed to Americas, DNA suggests
Genetic ties among present-day populations point to sea crossings centuries before European contact with Easter Island.
- Tech
New microscope gives clear view inside cells
By splitting beams of light, a new microscopy technique can capture activity inside a cell.
- Science & Society
E-commerce sites personalize search results to maximize profits
Travel and retail websites alter search results depending on whether consumers use smartphones or particular web browsers.
- Environment
No water contamination found in Ohio’s fracking epicenter
Methane in Ohio groundwater comes from biological sources, such as bacteria, not fossil fuel exploration.
- Paleontology
Stegosaurus landed a low blow in dino brawl
During a dinosaur scuffle 147 million years ago, a stegosaurus whipped an allosaurus in the crotch.
