April 13, 2004 |
Vivid blossoms signal spring has arrived, but how do plants know when it's time to flower? Scientists have known for 80 years that plants have internal clocks that enable them to adjust leaves to maximize capture of sunlight and minimize loss of water, but they haven't understood how it worked. Now, researchers in Germany say they have isolated genes and proteins that are the biochemical equivalent of gears in a clock.
December 10, 2003 |
The U.S. Food and Drug Administration, reversing an earlier decision to regulate all genetically altered animals, announced on Tuesday that it sees no need to scrutinize a tropical zebra fish bioengineered to glow red and headed for sale in pet stores next month. A Texas-based company and a pair of tropical fish farms in Florida plan to market the trademarked GloFish beginning Jan.
June 28, 2003 |
There were two missing schoolgirls and too many coincidences. After police found two corpses in Ward Weaver's backyard, near the apartment building where Miranda Gaddis, 13, and Ashley Pond, 12, had lived, even case-hardened homicide detectives were queasy. Had they not seen this once before? For there are two Ward Weavers. One lives on death row in San Quentin. The other is his son. The father -- Ward Weaver Jr.
March 31, 2000 |
The wasting that comes with age--wrinkled skin, weakened bones and nagging physical complaints--may result from genetic mistakes that begin in midlife as cells lose their ability to reproduce properly, a new study concludes. The research, published today in Science, offers a tantalizing--and tentative--explanation for the physical ravages of time.
January 28, 2000 |
America's collective nostrils are working overtime these days, sniffing out myriad new products to help them relax, work harder, sleep better, awaken creative energy and develop appetites for food and sex. The nose has become the new gateway to enlightenment--a super-sensory filter for the ever-blooming (and ever-changing) wafts of pop culture, fashion and beauty, arts and entertainment, travel, fitness and a burgeoning holistic market for self-healing and self-discovery.
August 9, 1998 |
Until they start putting brains in golf balls, it's probably going to be up to that person standing there with the club in his hands to figure out how to succeed in the game. And, as we have discovered time and again, that's a lot of pressure. Of course, help is available. Now, there are coaches in all sports, but golf is positively overrun with them. They're all over the place--swing doctors, putting gurus, short-game Svengalis, iron inveiglers, sand specialists, practice-range pontiffs.