6,899 results
6,899 results for: Bears
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19155
I think it’s more than coincidental that the sound repertoire of babbling babies, compared with the speech sounds in a diversity of languages across the world, lends credence to the idea that there was a mother tongue that goes back to prehistoric times. Readers of the Bible will recall that it was after the fall […]
- Health & Medicine
Hormone wards off immune cells in womb
A hormone known for its involvement in the brain's response to stress also plays a key role in shielding the developing embryo from its mother's immune system.
- Paleontology
Fossils Indicate. . .Wow, What a Croc!
Newly discovered fossils of an ancient cousin of modern crocodiles suggest that adults of the species may have been dinosaur-munching behemoths that grew to the length of a school bus and weighed as much as 8 metric tons.
- Earth
Farmers could help heal Gulf of Mexico
Farm-derived nutrients in the Mississippi River that create a huge dead zone in the Gulf of Mexico could probably be substantially reduced if farmers simply used a little less fertilizer.
- Astronomy
Extrasolar planets: More like home
A trove of newly discovered planets orbiting other stars suggests that the solar system may not be the oddball it had begun to seem.
- Ecosystems
Mistletoe, of all things, helps juniper trees
A mistletoe that grows on junipers may do the trees a favor by attracting birds that spread the junipers' seeds.
- Health & Medicine
Cloning’s ups and downs
Dolly, the world's first cloned mammal, has developed arthritis, and two biotech firms have turned to cloning in their attempt to create pigs with organs that human bodies won't reject when transplanted.
- Archaeology
Almond Joy, Stone Age Style: Our ancestors had a bash eating wild nuts
New finds at a 780,000-year-old Israeli site indicate that its ancient residents used stone tools to crack open a variety of hard-shelled nuts that were gathered as a dietary staple.
- Ecosystems
Cryptic Invasion: Native reeds harbor aggressive alien
A mild-mannered reed native to the United States is getting blamed for the mayhem caused by an evil twin.
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Copy Crab: DNA confirms that crab forms have several origins
New genetic evidence suggests that crabs aren't all close relatives and their characteristic shape evolved independently on numerous occasions.
- Paleontology
Did Mammals Spread from Asia? Carbon blip gives clue to animals’ Eden
A new dating of Chinese fossils buttresses the idea than an Asian Eden gave rise to at least one of the groups of mammal species that appeared in North America some 55 million years ago.
- Archaeology
Wild Chimps Rocked On: Apes left unique record of stone tools
Researchers have uncovered the first archaeological site attributed to chimpanzees, which includes stone implements that were used to crack nuts on top of thick tree roots.
