6,791 results
6,791 results for: Bears
- Math
A building of bubbles
Math Trek: The National Aquatics Center in Beijing, newly built for the Olympics, is a glowing cube of bubbles. The mathematics behind it are built around Lord Kelvin's tetrakaidecahedra and the physics of foam.
- Health & Medicine
Getting the Red Out: Drug improves kids’ psoriasis symptoms
The rheumatoid arthritis drug etanercept clears up psoriasis in children and may become the first systemic medication for the ailment in youngsters.
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- Humans
From the January 8, 1938, issue
Social scientist named AAAS president, rarest of the rare found high in the air, and an unusual joint for a skull.
- Climate
Boreal forests shift north
As forests move northward and to higher elevations, they alter ecosystems and threaten to further heat the Arctic's already warming climate.
- Health & Medicine
Perchlorate: A Saga Continues
Perchlorate is not yet a household word in many parts of the country. But it may becomes one if Sen. Barbara Boxer has her way. Perchlorate – an ingredient in solid rocket fuel, fireworks, flares and explosives – taints drinking-water supplies around the nation, not to mention plenty of foods. In animal tests, the pollutant […]
- Earth
Hibernation concentrates chemicals
Some pollutants accumulate in grizzlies during the bears' hibernation.
- Humans
From the March 5, 1938, issue
Shoes that give silent testimony for safety measures, ten moons and counting for Saturn, and finding oil in impossible places.
- Earth
Seafloor Chemistry: Life’s building blocks made inorganically
Hydrocarbons in fluids spewing from hydrothermal vents on the seafloor in the central Atlantic were produced by inorganic chemical reactions deep within the ocean crust, a finding with implications for the possible origins of life.
- Humans
From the December 18 & 25, 1937, issues
The infinite variety of snowflakes, making Java Man human, dinosaurs on the battlefield, Santa Claus in stone, filling empty space, and science progress in 1937.
- Animals
Built for Speed
Animals would prove fierce competitors at the Olympics — if only they would stay in their lanes.
- Earth
Light reaches deep in southeast Pacific
In a remote part of the southeastern Pacific where marine life is sparse, ultraviolet light penetrates to unprecedented depths.
