6,896 results
6,896 results for: Bears
- 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.
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Sweet Finding: Researchers propose candidate sour sensor
A protein on the surfaces of select tongue cells may play a pivotal role in detecting sour taste.
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Moss Express: Insects and mites tote mosses’ sperm
A lab test has shown that mosses have their own version animal-courier system for sperm that's similar to pollination.
- Earth
Are pollutants shrinking polar bear gonads?
New research links persistent pollutants with reproductive impairment in polar bears.
- Anthropology
Scripted Stone: Ancient block may bear Americas’ oldest writing
A slab of stone found by road builders in southern Mexico may contain the oldest known writing in the Americas, although some scientists regard the nearly 3,000-year-old inscriptions cautiously.
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Age Becomes Her: Male chimpanzees favor old females as mates
Male chimpanzees in Uganda prefer to mate with older females, a possible sign of males' need to identify successful mothers in a promiscuous mating system.
- Earth
Woods to Waters: Wildfires amplify mercury contamination in fish
Forest fires mobilize mercury from the soil and can send the toxic metal into nearby streams and lakes where it accumulates in fish.
- Animals
Bite This: Borrowed toad toxins save snake’s neck
An Asian snake gets toxins by salvaging them from the poisonous toads it eats.
- Earth
Hibernation concentrates chemicals
Some pollutants accumulate in grizzlies during the bears' hibernation.
- Anthropology
Ancient Slow Growth: Fossil teeth show roots of human development
An extended period of childhood evolved in people at least 160,000 years ago.
