6,859 results
6,859 results for: Bears
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Young’uns adrift on the sea
Scientists try to identify and track elusive larvae in a boundless ocean.
- Humans
BPA induces sterility in roundworms
Bisphenol A does a real number on the genes responsible for successful reproduction in a 1-millimeter-long soil-dwelling roundworm. And that suggests BPA might pose similar risks to people because geneticists are finding that this tiny critter can be a remarkably useful “lab rat” — predicting impacts in mammals, including us.
- Space
All flash, no crash
New Hubble Space Telescope images confirm that Jupiter emerged unscathed from an impactor that created a fireball above the planet’s cloud tops on June 3. The new images indicate that the object exploded as a meteor in the planet’s upper atmosphere rather than plunging into the atmosphere
- Tech
Heavier crudes, heavier footprints
BLOG: Refining heavy oils and tar sands could greatly exaggerate the greenhouse gases associated with fossil-fuel use, a new study finds.
- Science & Society
2010 Nobels recognize potential of basic science to shape the world
Prizes go to IVF, graphene and ‘carbon chemistry at its best’
- Animals
Wolverine: Climate warming threatens comeback
BLOG: New data point to unexpected sociability and filial behavior in carnivore.
- Space
Mars shows signs of recent activity
The surface of Mars had abundant liquid water as well as volcanic activity during the past 100 million years, a new study of the Martian atmosphere suggests.
- Health & Medicine
Gut bacteria reflect dietary differences
A comparison of African and European children concludes that high-fiber, low-fat diets cultivate healthier intestinal microflora.
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Black Holes in the Bathtub
Scientists observe Hawking radiation in unexpected materials.
- Animals
Controversial polar bear rule stands
Creature’s plight remains separate from decisions on greenhouse gas emissions.
- Anthropology
‘Java Man’ takes age to extremes
New dating of Indonesian strata has produced unexpected results.
- Tech
Tar sands ‘fingerprint’ seen in rivers and snow
A new study refutes a government claim (one echoed by industry) that the gonzo-scale extraction of tar sands in western Canada — and their processing into crude oil — does not substantially pollute the environment.
