6,901 results
6,901 results for: Bears
- Life
Fossils point to ancient ape-monkey split
Apes and monkeys split from a common ancestor more than 25 million years ago, fossil finds suggest.
- Plants
Giant genomes felled by DNA sequencing advances
Complete genetic blueprints have been collected for several conifer species.
- Life
Complex life hit freshwater early
Tiny fossils in Scottish rock show that cells with nuclei had spread beyond the seas by a billion years ago.
- Humans
Stone Age cold case baffles scientists
Stone-tool makers who hunkered down near Arctic Circle left uncertain clues to their identity.
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- Animals
Just turn your back, Mom
A female in a species of legless amphibians called caecilians nourishes her youngsters by letting them eat the skin off her back.
- Anthropology
Digging up debate in a French cave
A scientific debate has broken out over whether a French cave excavated more than 50 years ago contains evidence of separate Stone Age occupations by Neandertals and modern humans.
- Earth
Blast Survivors: Fragments of asteroid found in ancient crater
Pieces of an asteroid that blasted a 70-kilometer-wide crater in southern Africa millions of years ago may have been found intact inside the thick layer of once-molten rock that the impact left behind.
- Paleontology
Remains may be an evolutionary relic
Fossils recently found in southwestern China may be of a lineage that originated long before the Cambrian explosion of biodiversity, when most major groups of animals first appeared in the fossil record.
- Archaeology
Jarring clues to Tut’s white wine
Chemical analyses of residue from jars found in King Tutankhamen's tomb have yielded the first evidence of white wine in ancient Egypt.
- Earth
Toxic Tides: Another reason to worry about hurricanes
The hurricanes that struck Florida in the summer of 2004 also may have triggered an intense, widespread, and long-lasting red tide that afflicted the state's west-central coast throughout 2005.
- Earth
Macho Moms: Perchlorate pollutant masculinizes fish
Perchlorate, a compound best known as a component of rocket fuel, can disrupt sexual development in fish.
