| Sep 21, 2014
The first time Drew Weisenberger used his PhytoPET scanner to watch radioactive carbon move through a plant, he chose a stalk of barley.
The blade was about six inches long, and the stem another six. He exposed the blade tip to carbon dioxide gas with a...
| Aug 29, 2014
| 9:00 PM
Keep protecting manatees
Despite growing, severe threats to manatees' long-term survival, they could be federally downlisted from their current endangered status because of pressure from special-interest groups.
In recent years, cold stress and...
| Jul 31, 2014
| 12:42 PM
The Florida panther nearly died out in the 1990s, but conservation efforts since then have more than quadrupled the number of the endangered cats -- and research shows that may be bad news for cattle ranchers.
For centuries, more than 1,000 panthers,...
| Jul 31, 2014
| 3:57 PM
Dozens of the nation’s leading conservation scientists on Thursday expressed strong concern over a U.S. Fish and Wildlife Service official’s order to override a recommendation by federal biologists that wolverines deserve threatened species...
| Aug 1, 2014
By Erinn Hutkin
For Paul A. Hall, the path to a career in food safety began in first grade when he got interested in science by watching "Mr. Wizard," he recalled. His early love of science led to an interest in biology in high school, thanks to a...
| Jul 17, 2014
| 5:00 AM
To the editor: As the senior authors of the paper on the California gnatcatcher denigrated by Occidental College biologist John McCormack, we wish to make clear that, contrary to his implications, no one other than the authors had any say in the analyses,...
| Jul 18, 2014
| 9:32 PM
There's no good time for a public agency to be embroiled in a conflict-of-interest scandal, but this is an especially delicate time for California's stem cell agency.
The California Institute for Regenerative Medicine, as the program is known formally,...
| Jul 18, 2014
| 8:01 PM
For decades, epidemiologists have recognized that the highest rates of schizophrenia occur in children born in the winter and spring, about nine months after flu season. This pattern led researchers to examine the role that viral infections might play...
| Jul 20, 2014
| 4:39 AM
The widely held assumption that Connecticut was complete wilderness when the first European settlers arrived in the early 17th Century is belied by what archaeologists have found along the state's rivers.
"It was not wilderness," said Nicholas...
| Jul 21, 2014
| 12:55 PM
Tyler Dvorak was lying in slippery guano and smiling as his flashlight shined on a telltale shape in a crevice near the top of Ship Rock, which rises sheer and stark from the sea about a mile off the coast of Santa Catalina Island.
It was an ashy storm-...
| Jul 2, 2014
| 7:25 PM
There are two reasons that American women continue to be obsessed about balancing motherhood and work in a way that most American men are not.
First off, biology: Until men can get pregnant, give birth and lactate, there is never going to be a day where...