Jessica Kourkounis for The New York Times
Joseph Hayduk, 86, who suffers from congestive heart failure, transmits his clinical vital signs everyday via a "HomMed Health Monitoring System" to an office where a registered nurse tracks his health.
By JOHN LELAND
New technologies help seniors live independently and avoid trips to hospitals or nursing homes.
By CORNELIA DEAN
Researchers have developed a tiny bird backpack containing sophisticated sensors and weighing less than a dime to track the migration of songbirds.
By STEPHANIE SAUL
To the U.S. government and fertility industry, large multiple births have begun to look like problems.
By NICHOLAS WADE
Researchers said that they had decoded the genomes of the 99 strains of common cold virus and developed a catalog of the virus's vulnerabilities.
By NICHOLAS WADE
The Neanderthal genome, when fully analyzed, is expected to shed light on many critical aspects of human evolution.
By WILLIAM J. BROAD
Scientists report large amounts of debris going into higher and lower orbits and a possible threat to the International Space Station.
By DONALD G. MCNEIL JR.
Three federal judges ruled against families seeking compensation, saying the shots were not to blame.
By DUFF WILSON
Sanofi-Aventis got a big push Wednesday for a new drug for a potentially serious heart condition when a leading medical journal reported promising results from a clinical trial.
By CORNELIA DEAN
By fitting songbirds with tiny backpacks that contain sophisticated sensors, scientists have been able to follow the birds on their annual migration.
By PAM BELLUCK
The new procedure is attracting increasing attention because it allows people to move prosthetic arms more automatically than ever before, simply by using rewired nerves and their brains.
By CLIFFORD KRAUSS AND JAD MOUAWAD
Confronted with a change of priorities in Washington, international oil executives are expressing an eagerness to work with President Barack Obama to tackle global warming.
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By ANDREW POLLACK
Novartis has obtained the rights to an anticlotting drug that could eventually compete with Plavix, the world's second-best-selling medicine.
By JOHN M. BRODER AND MATTHEW L. WALD
The Obama administration's new secretary of energy said that solving the world's energy and environment problems would require Nobel-level breakthroughs.
Reuters
The British government rejected advice from its own narcotics advisory body on Wednesday to lower the penalties for possessing the drug ecstasy, raising questions over the relevance of the expert panel.
By JAY NEUGEBOREN
Jay Neugeboren gives an account of how privilege and full health-care coverage are largely responsible for saving his life after severe heart problems forced him to have a quintuple bipass.
ADVERTISING
By NATASHA SINGER
As part of a settlement, Bayer is running ads that clarify the side benefits of its birth control drug, Yaz. Regulators say earlier ads played down the risks.
By NICHOLAS BAKALAR
A study published in The Archives of General Psychiatry found a rising risk of depressive symptoms with increasing hours spent watching television. Another study found that postmenopausal women who take multivitamins to prevent cardiovascular disease or cancer found that they do neither.
18 AND UNDER
By PERRI KLASS, M.D.
Keep your child home from school if there's fever, or if the child feels too crummy to participate -- but don't worry so much about the runny nose in the row behind.
AP
The koala moved gingerly on scorched paws, crossing the blackened landscape as the fire patrol passed.
By CARL ZIMMER
Biologists know how species are related but lack the tools to show off their discoveries.
FINDINGS
By JOHN TIERNEY
Richard Milner, a science historian, finds the funny side of Charles Darwin, evolutionary giant.
By ANDREW POLLACK
Potentially opening a new era in farming and pharmaceuticals, the U.S. government has approved the first drug produced by genetically engineered livestock.
By NICHOLAS WADE
It is a testament to Darwin's extraordinary insight that it took almost a century for biologists to understand the essential correctness of his views.
AP
When it comes to global warming, the canary in the coal mine isn't a canary at all. It's a purple finch.
AP
The leader of the Australian state devastated by wildfires says the death toll will exceed 200.
By NATASHA SINGER
In a continuing investigation, the U.S. Food and Drug Administration has determined that dozens of weight-loss supplements, most of them imported from China, contain hidden and potentially harmful drugs.
By SCOTT SHANE
The suspension, which could last three months, is intended to allow a complete inventory of hazardous bacteria, viruses and toxins.
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Traditional drugs used to fight malaria are losing their effectiveness.
A simple way to improve the health of the poor is to add iodine to salt supply, Nicholas D. Kristof says.
The mountain pine beetle is destroying massive swaths of American lodgepole pine.
Israel is at the forefront of desert farming, but even the world's most high-tech farms can't control the weat...
The Chaitén volcano in Chile continues to threaten to coat the formerly picturesque town with volcanic ash.
A survey by the Wildlife Conservation Society in the Congo Republic has discovered a large population of Weste...
John Schwartz of the New York Times tests a jetpack with the help of its inventor, Glenn Martin, and Ray Thoms...
The call of the New Zealand Blue Whale in 1964 and 1997, played at three times normal speed. (Courtesy Mark Mc...
A growing chorus of discontent suggests that the once-revered doctor-patient relationship is on the rocks.
An example of the images generated by CTA. Narrated by Dr. Harvey Hecht of The Lenox Hill Heart and Vascular I...
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