08/04/2009

Mountain Lion! Stand or Run?

(PhysOrg.com) -- A new UC Davis study of 110 years of mountain-lion attacks on people suggests the conventional wisdom of standing your ground may not always be the right course.

Ice Bridge Supporting Wilkins Ice Shelf Collapses

(PhysOrg.com) -- An ice bridge connecting the Wilkins Ice Shelf on the Antarctic Peninsula to Charcot Island has disintegrated. The event continues a series of breakups that began in March 2008 on the ice shelf, and highlights ...

Bioethanol’s impact on water supply 3x higher than once thought

At a time when water supplies are scarce in many areas of the United States, scientists in Minnesota are reporting that production of bioethanol — often regarded as the clean-burning energy source of the future — may consume ...

Solving the mystery of what puts sperm 'in the mood'

In a potential advance toward a male contraceptive pill and new treatments for infertility, researchers are reporting the identification of key biochemical changes that put sperm “in the mood” for fertilization.

Aerosols May Drive a Significant Portion of Arctic Warming

(PhysOrg.com) -- Though greenhouse gases are invariably at the center of discussions about global climate change, new NASA research suggests that much of the atmospheric warming observed in the Arctic since 1976 may be due ...

page 2 from 7