02/09/2010 03:18 AM
U.N. Climate Panel and Chief Face Credibility Siege
Rajendra K. Pachauri and the U.N. Intergovernmental Panel on Climate Change face accusations of scientific sloppiness and potential financial conflicts of interest.

02/09/2010 01:05 AM
Global Update: H.I.V. and Herpes: Treating Herpes Doesn’t Reduce Chance That AIDS Virus Will Spread, Study Finds
The herpes drug acyclovir lowered H.I.V. levels in the blood but did not make a person less likely to spread the AIDS virus, researchers said.

02/09/2010 12:48 AM
Letters: Of Science and Gender (1 Letter)

02/09/2010 12:45 AM
Thirty Knots, With the Wind at Your Wings
The sailboats competing in the America’s Cup are the fastest ever built but about as delicate as a house of cards.

02/09/2010 12:44 AM
Letters: Do Supplements Work? (1 Letter)

02/09/2010 12:38 AM
A Conversation With Samuel Wang: A Neuroscientist Studying the Structure of Dog Brains
In his Princeton laboratory, Samuel Wang uses dog M.R.I.’s to research the relationship between brain structure and behavior.

02/09/2010 12:34 AM
Observatory: A Complicated History for the Humble Turkey
Did the turkey stocks in the American Southwest come from Mexico, or were they domesticated on their own?

02/09/2010 12:34 AM
Observatory: Some Insects Are Picky About What Wind to Ride
Scientists find that some moths chose high-speed tailwinds and adjusted their own flight heading if necessary to compensate for drift.

02/09/2010 12:33 AM
Observatory: Figuring Out How Toads Endure All That Hopping
The animal’s forelimb muscle somehow knows to activate about 90 milliseconds before landing, researchers discovered.

02/09/2010 12:22 AM
Q & A: Low LDL Levels
Can my LDL, my “bad” cholesterol, get too low?

02/09/2010 12:19 AM
Ally for the Poor in an Unlikely Corner
Through his work in poor countries, Andrew Witty, chief executive of GlaxoSmithKline, has positioned his company as the leader among drug makers in advancing world health issues.

02/08/2010 11:29 PM
News Analysis: For Human Spaceflight, Can Measured Beat Bold?
The Obama administration is trying to keep humans flying in space, but will its measured proposals succeed?

02/08/2010 11:25 PM
Findings: Will You Be E-Mailing This Column? It’s Awesome
A University of Pennsylvania study found that readers of news in print and online had more exalted tastes than might be expected.

02/08/2010 10:37 PM
18 and Under: When to Worry if a Child Has Too Few Words
Every pediatrician knows the frustration of trying to quantify the speech and language skills of a screaming toddler.

02/08/2010 10:25 PM
Vital Signs: Perceptions: Doctors, Patients and a Clash of Priorities
High blood pressure is often a top priority for doctors, but pain and depression may be more pressing to their patients.

02/08/2010 10:23 PM
Really?: The Claim: 3-D movies can induce headaches and sickness.
Can 3-D movies like “Avatar” cause motion sickness?

02/08/2010 10:18 PM
Update: Recovery Matches a Marathon Operation
After a surgeon removed a huge cancerous tumor from his abdomen, Robert Collison, 59, spent eight weeks in the hospital with infections and other complications.

02/08/2010 10:18 PM
Vital Signs: Risks: Study Looks at Serotonin and SIDS Deaths
Researchers are a step closer to understanding why babies who appear to be perfectly healthy may die suddenly.

02/08/2010 10:18 PM
In Haiti, Practicing Medicine From Afar
A video hookup between a patient on the scene and a doctor far away can save lives.

02/08/2010 10:18 PM
Vital Signs: Hazards: A Warning on Mixing Herbs and Medicine
A study found that products including St. John’s wort, ginger and garlic could be dangerous for people taking common medicines.

02/08/2010 10:17 PM
Cases: A Walking Magnet for Odd, Minor Ills
Sue Eisenfeld, a 38-year-old afflicted with maladies like carotidynia and mucocele, has given herself the title Queen of Minor Ailments No One Has Ever Heard Of.

02/08/2010 10:17 PM
Both Parents’ Ages Linked to Autism Risk
A study of almost five million births in California found that the chance of having autistic children increased with older parents.

02/08/2010 10:10 PM
Personal Health: Less Invasive Hip Surgeries Make Inroads
Orthopedic surgeons across the country are using techniques for hip replacement that reduce complications and speed recovery in patients.