6,909 results
6,909 results for: Bears
- Paleontology
The last ice age wasn’t totally icy
Radiocarbon dating of fossils taken from caves on islands along Alaska's southeastern coast suggest that at least a portion of the area remained ice-free during the last ice age.
- Animals
Time to revise right whales’ family tree?
A statistical analysis of DNA from nearly 400 right whales around the world suggests there may be three species of Eubalena, not just two—a conclusion that may boost conservation efforts.
- Anthropology
Out on a Limb
The science of body development may make kindling out of evolutionary trees.
- Earth
Life Landed 2.6 Billion Years Ago
Unusually carbon-rich rocks found in eastern South Africa may push back the evidence of life on land to 2.6 billion years ago, more than twice the current age of indisputably terrestrial organisms.
- Earth
New accord targets long-lived pollutants
Negotiators drafted an agreement to ban or phase out some of the world's most persistent and toxic pollutants.
- Materials Science
A hard new material with a soft touch
Adding exotic substances called quasicrystals to polymers creates nonabrasive hard materials, which could soon serve as coatings in machine parts.
-
- Humans
Science News of the Year 2000
A review of important scientific achievements reported in Science News during the year 2000.
-
