6,882 results
6,882 results for: Bears
- Earth
Tiny Bubbles: Oldest evidence yet for methane makers
Analyses of the gases dissolved in water trapped in ancient minerals suggest that methane-generating microbes have been around almost 3.5 billion years.
- Health & Medicine
Got Data? Consuming calcium, dairy doesn’t keep off weight
Dairy products and other calcium-containing foods don't prevent weight gain, according to a 12-year study of middle-aged men.
- Humans
From the April 4, 1936, issue
Hidden blossoms of spring, postponing old age, and the future of atomic energy.
- Anthropology
Branchless Evolution: Fossils point to single hominid root
Fossils of a 4.1-million-year-old human ancestor in Ethiopia bolster the controversial idea that early members of our evolutionary family arose one species at a time rather than branching out into numerous species.
- Paleontology
Amphibious Ancestors
Newly discovered fossils from Greenland, as well as a reexamination of those of previously known creatures, are providing researchers with additional insights into ancient vertebrates' move from water to land.
- Humans
Science News of the Year 2006
A review of important scientific achievements reported in Science News during the year 2006.
- Health & Medicine
Putting the Pressure on Poisons
Although rice can contain traces of a liver carcinogen, a new study finds that pressure-cooking reduces toxin quantities to safe levels.
- Health & Medicine
Looking Ahead: Tests might predict Alzheimer’s risk
Two tests show promise in detecting Alzheimer's disease or other cognitive impairment years before symptoms arise.
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Robo Receptor: Researchers engineer a brain ion channel to take its cues from light
Scientists have engineered an ion channel in nerve cells to open or close in response to light.
- Archaeology
Q Marks the Spot: Recent find fingers long-sought Maya city
A hieroglyphic-covered stone panel discovered at an ancient Maya site in Guatemala last April adds weight to suspicions that the settlement was Site Q, an enigmatic city about which researchers have long speculated.
- Animals
Naked and Not
The Damaraland mole rat may be less famous than its naked cousin, but both have some of the oddest social structures found in a mammal.
- Humans
Books for Late Summer
The writers of Science News present wide-ranging recommendations of books for readers to pack for their late-summer vacations.
