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Roy Snelling, an internationally renowned entomologist who turned his boyhood fascination with insects into a lifelong study of the secret world of ants, wasps and bees, has died. He was 73.
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Endangered tortoises airlifted from an Army base face other threats. >>
The inland settlement, about 14,000 years old, predates the Southwestern Clovis sites by about a millennium and coincides with findings at Paisley Cave in Oregon, researchers say. >>
It helps to improve sensitivity to the hormone insulin, which regulates blood sugar, researchers find. >>
Great tits adjust their breeding season so that chicks hatch when winter moth caterpillars -- their main food source -- are most plentiful, long-term research shows. >>
Since they first walked the planet, humans have either buried or burned their dead. Now a new option is generating interest -- dissolving bodies in lye and flushing the brownish, syrupy residue down the drain. >>
The duck-billed oddity contains genes that are mammalian, avian and reptilian, scientists who mapped them say. >>
Senior citizens in Medicare have reported being sold coverage they don't want or need. Some people aren't sure if the federal government can enforce the proposed rules. >>
A long-time scientific controversy centers on how to calculate the probability that such a match would be the result of coincidence. >>
More than 15,000 have been infected, and 28 children have died. >>
Ash drifts across the Andes to coat Esquel, and residents complain of irritated eyes and throats. The situation could last for months. >>
They blame subsidies for an overproduction of corn, which they say has hurt other crops. >>
BIOTECHNOLOGY
Kevin Sharer tells often-hostile investors that the company is off to a good start this year. >>
Ash shoots up almost 20 miles. Officials say lava is detected near the rim and order evacuations. >>
UCLA, USC and UC Irvine are among a dozen research centers getting the money. >>
An agency official tells a Senate committee that it's possible there will be no standard set for the amount of perchlorate allowed in drinking water. >>
Children whose mothers took part in a program that encouraged the practice had higher verbal scores than children in a control group, a large study finds. >>
A team of four students answered graduate-level questions to win the contest. Sacramento's Mira Loma High finished second, and three other California schools placed in the top 16 of 67 teams. >>
A rush to extract uranium on public lands pits environmentalists, who worry about the local effect, against mining companies, which point out that nuclear power wouldn't contribute to global warming. >>
A new excavation at Stonehenge seeks to prove that it was not a shrine of the dead but a temple of healing utilizing unique bluestones from a site 250 miles away in Wales. >>
CAMPAIGN '08
John McCain wants better and cheaper coverage for more Americans. So do Barack Obama and Hillary Clinton. But their strategies for achieving those goals are fundamentally different. >>
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Science: Latest AP News
MONDAY HEALTH
In her new book, 'Death Benefits,' therapist Jeanne Safer explores what happens when adults lose their parents. In some ways, life can get better. By Melissa Healy, Times Staff Writer
PHOTO GALLERY
Books: science and environment
 On a millennial path with a caribou herd in the Arctic National Wildlife Refuge. April 27.
One woman's story about defying the breast cancer gene. April 27.
An epic adventure in living green. April 26.
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