New Chemical Scenario For How Life Emerged On Earth
In order for life to emerge, both peptides and nucleic acids must have appeared under "prebiotic" conditions. Despite numerous efforts, the formation of these macromolecules without the help of modern synthetic reagents has not been achieved in a laboratory.

Flying Lemur Called Another Close Relative Of Humans
Our closest relatives -- gorillas, orangutans, chimpanzees, gibbon apes and baboons -- have now been joined by an animal whose appearance hardly resembles that of humans: the flying lemur.

Unusual Weather Impacts Nation's Struggling Economy
Unusual weather across most of the United States last winter created huge and generally positive impacts to the nation's struggling economy.

Stem Cells In Brain Linked To Formation Of Gliomas
University of Florida scientists report they have found the first evidence of a link between stem cells in the brain and the formation of gliomas, the most common type of brain tumors found in adults.

Causing Injured Nerve Cells In Rats To Regenerate
Using brain cells from rats, scientists at The Johns Hopkins University School of Medicine and the University of Hamburg have manipulated a molecular "stop sign" so that the injured nerve cells regenerate.

Calcium-Supplying Tree Fungi Can't Offset Acid Rain
A discovery that fungi on the roots of some trees in the Northeastern United States help supply much-needed calcium in forest soils battered by acid rain would seem to ease worries about the worrisome form of pollution.