6,875 results
6,875 results for: Bears
- Life
A giant penguin plumed in earth tones
The first well-preserved feathers of 36-million-year-old diving bird give clues to color and evolution.
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Evidence of ancient roots
Though early hominids may have made sweet sounds by banging sticks and stones together, the oldest distinguishable instrument dates to 40,000 years ago. A flute made from vulture bone (shown) and others made from mammoth ivory have been found in Hohle Fels cave near Ulm, Germany, and date from 35,000 to 40,000 years ago. Holes […]
- Health & Medicine
Everyone poops his or her own viruses
The viral denizens of a person’s intestines are unique and don’t change much over time, a study suggests.
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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.
- Animals
Controversial polar bear rule stands
Creature’s plight remains separate from decisions on greenhouse gas emissions.
- 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.
