Giants Who Scarfed Down Fast-Food Feasts
By JOHN NOBLE WILFORD
Denis Finnin/AMNH
CENTERPIECE A life-size model of a 60-foot female Mamenchisaurus, whose fossilized bones were discovered in China, was close to ready at the American Museum of Natural History in New York.
Scientists want to know how sauropods thrived for 140 million years, and ate enough to grow so hefty.
Graphic: For a Long Neck, Don’t ChewGulf’s Complexity and Resilience Seen in Studies of Oil Spill
By LESLIE KAUFMAN
Erik S. Lesser/European Pressphoto Agency
DISASTER AREA In June, oil from the Deepwater Horizon spill in the Gulf of Mexico was absorbed by booms in Bay Jimmy, south of New Orleans.
How the regional ecosystem has responded will keep scientists busy analyzing data for years and help them understand the effects of environmental disasters.
Video: The Science of the SpillFINDINGS
3-D Avatars Could Put You in Two Places at Once
By JOHN TIERNEY
Conferences with 3-D avatars are nigh, because consumer technology has caught up with the work going on in a pioneering virtual-reality laboratory.
As Mammals Supplanted Dinosaurs, Lice Kept Pace
By NICHOLAS WADE
Lice are expert evolvers, and a new family tree of lice stretches so far back that the host of the first louse would have been a dinosaur.
Health News
Rabbis Sound an Alarm Over Eating Disorders
By RONI CARYN RABIN
Pressure to marry young and be all things to all people contributes to a problem, rabbinic leaders say, and a stigma against mental health problems complicates treatment.
Post a CommentScreening Prostates at Any Age
By GINA KOLATA
Older men are getting screened for prostate cancer at a higher rate, though many experts discourage screening for men whose life expectancy is 10 years or less.
WELL COLUMN
A Couple's Knot, Tied Tighter by Dual Diagnoses
By TARA PARKER-POPE
Having a spouse with a life-threatening illness is hard enough. But what happens when both partners get sick?
18 & UNDER
A Tonsil Remedy Is Fitted for a New Century
By PERRI KLASS, M.D.
New guidelines suggest tonsillectomy for recurrent sore throats only if frequent or severe, but the operation may be considered for children with trouble breathing while they sleep.
ESSAY
Is This the Poster Food for a Radiation Menace?
By DENISE GRADY
Why my husband has five Geiger counters, why bananas are radioactive, and other lessons learned in pursuit of common sense on radiation risks.
More Science News
Japan Nuclear Disaster Put on Par With Chernobyl
By HIROKO TABUCHI and KEITH BRADSHER
Japan decided to raise its assessment of the accident at the crippled Fukushima Daiichi nuclear power plant from 5 to the worst rating of 7 on an international scale.
PRECIOUS WATERS
Indians Join Fight for an Oklahoma Lake’s Flow
By FELICITY BARRINGER
A reservoir in southeastern Oklahoma is at the center of a dispute between the Choctaw and Chickasaw tribes and the state over the rights to its water.
Studies Say Natural Gas Has Its Own Environmental Problems
By TOM ZELLER Jr.
Researchers have found that methane from natural gas is leaking in higher quantities than previously thought.
More Multimedia
The First Close-Ups of Mercury
NASA’s Messenger spacecraft sent back the first of what is expected to be 75,000 photographs during a yearlong investigation of Mercury.
Up in the Clouds
Some notable selections from “The Cloud Collector’s Handbook” by Gavin Pretor-Pinney, with comments from the author.
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.
Science Columns
Q & A
When Trees Unfreeze
By C. CLAIBORNE RAY
There are several reasons why snow may melt in rings around trees and shrubs.
OBSERVATORY
Taking a Second Look at Penguins’ Decline
By NICHOLAS BAKALAR
Rapidly melting sea ice may not be the why the Adélie penguin population in Antarctica has declined by 50 percent in recent years.
OBSERVATORY
In Macaques, Familiarity Breeds...More Macaques?
By NICHOLAS BAKALAR
The monkeys seemed to notice a fertility signal in the females they knew, but not in ones they didn’t, scientists find.
OBSERVATORY
Bacterium Puts Insect on Evolution Fast Track
By NICHOLAS BAKALAR
The sweet potato whitefly is infected with a bacterium, and both seem to benefit.
Health Columns
PERSONAL HEALTH
Keeping Eyes on Distracted Driving’s Toll
By JANE E. BRODY
Medical groups are working hard to make patients more aware of distracted driving and its high toll.
REALLY?
Allergies Can Increase the Risk of Depression
By ANAHAD O’CONNOR
A wave of emerging research suggests that seasonal allergies can be psychologically harmful.
Base Camp in a Bomb Crater
April 7, 2011
Do Fishers Really Eat Cats?
April 6, 2011
Break Energy Deadlock, Bipartisan Group Urges U.S.
April 11, 2011
Wanted: Frack Busters (Costume Preferred)
April 11, 2011
Awards Season for Environmentalists
April 11, 2011
Opinion
DOT EARTH BLOG
The 'Wave' of the (Car Engine) Future?
By ANDREW C. REVKIN
A super-efficient engine design is poised to move from palm-size concept to a workable car-size prototype.
WORDPLAY BLOG
Numberplay: Tracking the Ball
By PRADEEP MUTALIK
Sporting contests sometimes turn on a math problem that referees must solve instantly with only their eyes and brains: projecting where a ball's interrupted flight would have taken it.
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