6,913 results
6,913 results for: Bears
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Predators shape river world top-down
Hunting and no-hunting zones allow a rare test of the much-debated proposal that big carnivores shape their ecosystems from the top down.
- Animals
Flowers, not flirting, make sexes differ
Thanks to lucky circumstances, bird researchers find rare evidence that food, not sex appeal, makes some male and female hummingbirds look different.
- Tech
The Little Engines That Couldn’t
Tired of grinding their gears, micromachine researchers turn to surface science.
- Physics
Catch a Wave
Detection of gravitational waves predicted by Einstein's 1916 general theory of relativity may finally occur, thanks to a new generation of laser-based observatories.
- Anthropology
Cultures of Reason
East Asian and Western cultures may encourage fundamentally different reasoning styles, rather than build on universal processes often deemed necessary for thinking.
- Life
Briny deep basin may be home to animals thriving without oxygen
Creatures living deep in the Mediterranean without oxygen would be a remarkable first, biologists say.
- Microbes
Microscopic menagerie
The microbes dwelling in and on multicellular organisms should be viewed as evolutionarily inseparable from their hosts, some biologists argue.
- Climate
Grape expectations
Global warming has delivered long, warm growing seasons and blockbuster vintages to the world’s great wine regions. But by mid-century, excessive heat will push premium wine-making into new territory.
- Psychology
Beatles reaction puzzles even psychologists
From the February 29, 1964, issue: Psychologists are as puzzled as parents over the explosive effect the Beatles are having on American teen-agers.
- Science & Society
Flu drug research takes Intel STS top honors
A teenager’s computer analyses that identified six potential new flu-fighting compounds claimed first place at the 2014 Intel Science Talent Search.
