Intel Increases Transistor Speed by Building Upward
By JOHN MARKOFF
A new design uses a tiny fin that could make smaller, faster, lower-power chips.
52 Years and $750 Million Prove Einstein Was Right
By DENNIS OVERBYE
Data from a set of orbiting gyroscopes in the Gravity Probe B project has confirmed some of the weirdest predictions of Einstein’s general relativity theory, Stanford researchers announced.
Suit Accuses U.S. Government of Failing to Protect Earth for Generations Unborn
By FELICITY BARRINGER
Most of the plaintiffs in the public trust lawsuit filed in San Francisco are teenagers.
A Bin Laden Hunter on Four Legs
By GARDINER HARRIS
The dog that accompanied the Navy Seal team that killed Osama bin Laden is the subject of intense speculation.
SKIN DEEP
New Stratagems in the Quest for Hair
By DOUGLAS QUENQUA
Transplants, lotions, pills: what’s next in the search for a thick head of hair? Cloning, says one doctor.
Finding on Dialects Casts New Light on the Origins of the Japanese People
By NICHOLAS WADE
New research suggests that the Japanese language is not descended from that of the hunter-gatherers who first inhabited the islands some 30,000 years ago.
BP Is Fined $25 Million for ’06 Spills at Pipelines
By JOHN M. BRODER
A federal prosecutor said the penalty was a wake-up call as the Gulf of Mexico spill inquiry is being conducted.
Science Times: May 3, 2011
Hearts Beat as One in a Daring Ritual
By PAM BELLUCK
A study of fire-walking found that the heart rates of relatives were synchronized with those of the walker.
Researchers lately have learned that serotonin plays an impressive number of critical roles throughout the body.
Drumbeat of Nuclear Fallout Fear Doesn’t Resound With Experts
By WILLIAM J. BROAD
Experts say that the radiation uptick from fallout in Japan disappears as a cause of concern when the big picture is considered.
Health News
WELL
Adding Food and Subtracting Calories
By TARA PARKER-POPE
Eating more foods like cayenne pepper and pureed vegetables can suppress appetite and lead to the consumption of fewer calories.
Experts Say DNA Match Is Likely a Parent or Child
Global Update: Pesticides: Ban on a Cousin of DDT Has Loopholes in India, Where Children Were Harmed
Vital Signs: Regimens: Noise Canceling, Without Headphones
Vital Signs: Patterns: An Omega-3 Fatty Acid Shows a Risky Side
Vital Signs: Screening: An Autism Questionnaire at Checkup Time
More Multimedia
A Shuttle Town’s Glory Days
The launching of the space shuttle Endeavor is expected to be one of the biggest ever, jamming the roads in Titusville, Cape Canaveral and other nearby Florida towns.
INTERACTIVE FEATURE: What Makes Music Expressive?
What makes music expressive? Quiz yourself based on new research.
Readers’ Photos: A Family’s Best Friend?
Photos and stories of pets that were viewed differently by family members.
INTERACTIVE FEATURE: Rock-Paper-Scissors: You vs. the Computer
Test your strategy against the computer in this rock-paper-scissors game illustrating basic artificial intelligence.
GREEN BLOG
When 'Fresh' Fish is Really Frozen
By ELISABETH ROSENTHAL
Much of the tilapia farmed in China for export is frozen and then treated with carbon monoxide, a gas that prevents meat and seafood from discoloring as it ages; when it is thawed, it looks like new.
Science Columns
Q & A
Stand Up Straight!
By C. CLAIBORNE RAY
Certain kinds of exercise may prevent or delay progression of abnormally hunched backs, but they have not been proved to correct the problem completely.
OBSERVATORY
Forget Straws: Hummingbirds Sip With Forks
By NICHOLAS BAKALAR
Forked tongues whose tips are lined with hairlike extensions help hummingbirds draw nectar, high-speed video reveals.
OBSERVATORY
If Big-Brained Birds Can Make It Here...
By NICHOLAS BAKALAR
Birds with brains that were large in relation to their body size were more likely to succeed in cities, researchers say.
OBSERVATORY
An Antarctic Buffet Where Whales Gather to Feast
By NICHOLAS BAKALAR
Scientists working in the western Antarctic have found the densest populations of whale and krill ever recorded.
OBSERVATORY
Monkeys’ Memories Can Stretch Beyond What’s in Front of Them
By NICHOLAS BAKALAR
A recall study of rhesus monkeys suggests that language is not necessary — either for having the ability to recall, or for proving it to an experimenter.
Podcast: Science Times
Health Columns
PERSONAL HEALTH
A Thief That Robs the Brain of Language
By JANE E. BRODY
Primary progressive aphasia is one of several forms of brain disease lost in the medical shadow of a much better known relative, Alzheimer’s disease.
REALLY?
The Claim: Having Tonsil Surgery Causes Weight Gain
By ANAHAD O'CONNOR
No one really knows how to explain the connection, but studies do show a link between the surgery and weight gain.
Opinion
DOT EARTH BLOG
Shaping Human Path to 15, or 6, Billion by 2100
By ANDREW C. REVKIN
Varied views on population paths from now through 2100.
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