6,913 results
6,913 results for: Bears
- Humans
Letters from the August 18, 2007, issue of Science News
Exhaustive analysis I would debate the “1,000 watts or more” value attributed to typical adults during strenuous exercise (“Powering the Revolution: Tiny gadgets pick up energy for free,” SN: 6/2/07, p. 344). Hiking up steep slopes, I rarely exceed 250 W myself, and typical hikers are going much slower. The 1,000-watt figure can only apply […]
- Psychology
Stereotypes might make ‘female’ hurricanes deadlier
Precautions may get shelved by those in the path of severe storms with feminine names, leading some to suggest that storms should be named after animals.
- Paleontology
Preserved pterosaur eggs hint at reptile’s social life
The first 3-D pterosaur eggs, which were found in China, suggest that the flying reptiles laid eggs together.
- Astronomy
Stopping starlight may bring other Earths into focus
Two new telescope concepts compete for NASA’s approval, in hopes of taking the first picture of a life-bearing exoplanet.
- Tech
Scientists struggle to find signals in the noise
Even in a simple system like email, detecting the signal from the noise is not always easy. It can be even more difficult separating a dazzling discovery from dust or whether a breast mass is cancerous or benign.
- Humans
Skulls reveal Neandertal’s hodge-podge genealogy
A new analysis of ancient hominid skulls reveals a patchy anatomical start of the Neandertal lineage.
- Animals
New water bear species found in Antarctica
A tiny creature called a tardigrade could shed light on how animals reached the far southern continent.
- Humans
Letters from the February 9, 2008, issue of Science News
Small, or just invisible? “Heavy Find: Weighty neutron stars may rule out exotic core” (SN: 1/12/08, p. 20) says that the companion star of the pulsar PSR B1516+02B must be “tiny” because it cannot be seen. Isn’t it possible that the companion is made of dark matter? Is there a “wobble” test or other way […]
- Anthropology
Romanian cave holds some of the oldest human footprints
A group of Homo sapiens left footprints about 36,500 years ago, not 15,000 as scientists had thought.
- Health & Medicine
Organic foods may contain extra antioxidants
Contrary to previous studies, a new analysis finds that organic crops have nutritional benefits over conventionally grown foods.
- Humans
Letters from the July 15, 2006, issue of Science News
People want to know “Sharing the Health: Cells from unusual mice make others cancerfree” (SN: 5/13/06, p. 292) reported that years ago it was discovered that certain male mice eradicate cancer cells and that white blood cells from these mice make normal mice cancer resistant. It also reported that it is superpremature to look forward […]
- Space
Exoplanet oxygen may not signal alien life
Oxygen in an exoplanet atmosphere may come from water and ultraviolet light, not alien life.
