6,859 results
6,859 results for: Bears
- Astronomy
Quiet maximum
By almost any measure, this solar maximum has been pathetic. No more than 67 sunspots have appeared in a month so far; at the last peak, in 2000, that number was above 120.
- Life
Chill turns monarchs north
Temperature manipulation appears to solve mystery of what triggers migratory butterflies’ homeward trip.
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Science News Top 25
Science News reviews the year in science with a compilation and analysis of the most fascinating stories reported in the magazine. Also highlighted are reader favorites, debunked science and the year's weirdest stories.
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Buzzword bingo
Game brings entertainment to genetics meeting.
- Life
Contender for world’s oldest dinosaur identified
An African specimen suggests the lineage may have arisen 15 million years earlier than thought.
- Life
Dinosaur embryos were restless, speedy growers
Hundreds of fossils found in China suggest some unhatched dinos kicked their legs.
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Lessons from the Torpid
Hibernators have some helpful tips for keeping humans healthy
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Letters
Cartilage risk I enjoyed Nathan Seppa’s article “Cartilage creation,” (SN: 8/11/12, p. 22) about attempts to generate new cartilage from somatic stem cells. He writes that cartilage evolved “in ancestors who lived shorter lives, carried less body weight and roamed an unpaved world.” Implications: The risk of osteoarthritis increases with age, body weight and impact […]
- Tech
Building robots that slither
Howie Choset is a roboticist, but his team’s creations bear little resemblance to C-3PO or R2-D2. Instead, Choset finds inspiration in nature — specifically, snakes.
- Humans
Ancient hominid had an unusual diet
A long-extinct member of the human evolutionary family had an uncommon taste for grasses and sedges.
