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Did big babies help bring human ancestors down from the trees?

Relative to our ape brethren, humans give birth to really big babies. This especially substantial infant size—along with newborns' large heads and general helplessness—helped to spur the development of more advanced social systems to help mother and child safe, researchers think...

January 3, 2011 — Katherine Harmon

The discovery of the ruins of ice: The birth of glacier research

"It has already been said, that no small part of the present work refers to the nature and phenomena of glaciers. It may be well, therefore, before proceeding to details, to explain a little the state of our present knowledge respecting these great ice-masses, which are objects of a kind to interest even those who know them only from description, whilst those who have actually witnessed their wonderfully striking and grand characteristics can hardly need an inducement to enter into some inquiry respecting their nature and origin." James, D...

January 3, 2011 — David Bressan

Happy New Year!

Even though I’m on a mini-blogcation (owing to my temporary residence in the Cave of Open Lab), I’d like to take a moment to wish all of my readers and friends across the blogosphere, a very Happy New Year...

December 31, 2010 — Jason G. Goldman

Alpha-carotene from veggies linked to longer life

Need another reason to eat your greens (and yellows and oranges) as part of a healthful diet in the New Year? A large U.S. study has found that adults with higher concentrations of serum alpha-carotene in their blood were likely to live longer than those who had lower levels...

December 30, 2010 — Katherine Harmon

Another record year for manatee deaths

Frigid waters off the coast of Florida have killed a record number of endangered manatees this year, according to state wildlife officials. The manatee—full name, the West Indian manatee ( Trichechus manatus )—has been protected by the Endangered Species Act since 1974.As of December 10, 699 manatee deaths had been documented this year in Florida waters, 244 of which were attributed to "cold stress." Most of the year's deaths occurred in January during what the National Weather Service called Florida's coldest 12-day period since 1940.This year's death toll tops last year's record of 429 deaths, 56 of which were caused by unusually cold weather...

December 30, 2010 — John Platt

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