Hurdles Still Remain for Ground Zero Settlement
By MIREYA NAVARRO
At least 95 percent of the workers who sued the city for health damages must accept the deal for it to take effect.
Climate Change Threatens Migratory Birds, Report Says
By JOHN M. BRODER
For the first time, an Interior Department report adds climate change to other factors threatening bird populations.
Talks to Address Trade in Tuna and Ivory
By NEIL MacFARQUHAR
Negotiations on protecting endangered species will open in Qatar with tensions over efforts to ban trade in bluefin tuna and to reopen exports of elephant ivory.
Ground Zero Workers Reach Deal Over Claims
By MIREYA NAVARRO
A settlement of up to $657.5 million has been reached in the cases of thousands of rescue and cleanup workers who sued the city, according to city officials.
Dot Earth Blog
New U.N. Climate Change Group Is All Male
By SINDYA N. BHANOO
A group of women are upset that a new United Nations climate change financing group has 19 members, but no women.
Winter Games Yield Forecasting Insights
By IAN AUSTEN
A system used at the Games is part of a program to improve the accuracy of winter storm forecasting.
Disease Cause Is Pinpointed With Genome
By NICHOLAS WADE
It now appears possible to sequence a patient’s genome at reasonable cost and with sufficient accuracy to be useful.
Panel Will Review U.N. Climate Work
By JOHN M. BRODER
The review aims to help the U.N. climate change panel avoid the kinds of errors that have brought its work into question in recent months, officials said Wednesday.
Rewrite of Physics by Einstein on Display
By ETHAN BRONNER
For the first time, the complete, original manuscript of the theory of relativity, profoundly human and surprisingly moving to examine, has been put on display in Jerusalem.
How Green Is My Mansion?
By FRED A. BERNSTEIN
When the software mogul Mitch Kapor won planning approval for his 10,000-square-foot house in Berkeley, Calif., neighbors were surprised that it will qualify as “green.”
A New Breed of Guard Dog Attacks Bedbugs
By PENELOPE GREEN
Bedbug-sniffing dogs are the new and furry front line in an escalating domestic war.
Slide ShowClimate Goal Is Supported by China and India
By JOHN M. BRODER
The countries are the last two major economic powers to agree with the aims of the nonbinding agreement.
John Thorbjarnarson, a Crocodile and Alligator Expert, Is Dead at 52
By DOUGLAS MARTIN
Mr. Thorbjarnarson was a scientist with wide interests in saving and learning about many species.
Obama Plans Florida Forum to Discuss NASA’s Future
By KENNETH CHANG
The president planned to spell out his vision for the future of American astronauts in space at a conference next month.
Science Times: March 9, 2010
Reaching for the Stars When Space Was a Thrill
By DENNIS OVERBYE
From "Another Science Fiction"/Blast Books
Using aviation industry ads, a new book revisits a time when outer space still thrilled, and cold war paranoia reigned.
In a new book about the space race, Megan Prelinger sees hopes, dreams and fears in the form of magazine ads.
Read Comments
Interactive Feature: Madison Avenue's Moon Shot
Selected aviation industry advertisements that revisit a time when outer space reigned.
For Iran, Enriching Uranium Only Gets Easier
By WILLIAM J. BROAD
Making the leap from reactor-grade nuclear fuel to bomb-grade is like the rich getting richer: really fast.
Graphic: A Next Step in RefinementA Conversation With Dr. Peter J. Pronovost
Doctor Leads Quest for Safer Ways to Care for Patients
By CLAUDIA DREIFUS
Dr. Peter J. Pronovost, medical director of the Quality and Safety Research Group at Johns Hopkins Hospital in Baltimore, travels the country advising hospitals on innovative safety measures.
Health News
Panel Urges New Look at Caesarean Guidelines
By DENISE GRADY
The medical experts told a National Institutes of Health conference that the trend of “once a Caesarean, always a Caesarean” may be safely reversed.
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Flu Shots in Children Can Help Community
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Obama Turns Up the Volume in Health Care Bid
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Infection Defense May Spur Alzheimer’s
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A Little Black Box to Jog Failing Memory
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Global Update: Counting on Clicks to Finance the Battle Against AIDS, Malaria and Tuberculosis
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First Mention: Defibrillators, 1948
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Vital Signs: Sleep: Study Finds Many Are Too Tired for Sex
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Vital Signs: Childhood: 1 in 4 Parents Link Autism to Vaccines
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Vital Signs: Aging: Cognitive Decline and Hospitalization
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Dr. Barton Childs, Who Studied Inherited Diseases, Is Dead at 93
Multimedia
The Saga of Pluto
Revisiting the trials and tribulations of the former planet, a favorite of schoolchildren that was demoted in 2006 to dwarf planet status.
Science Illustrated
Graphic: A Boat From Bottles
The Plastiki, a boat built from recycled plastic, is expected to begin a 100-day crossing of the Pacific Ocean in March to test the seaworthiness of new materials and draw attention to ocean-borne plastic waste.
Video: Military Bases as Wildlife Havens
In recent years, U.S. military lands have become safe areas for endangered species.
Interactive Feature: On Darwin’s ‘On the Origin of Species’
Evolutionary biologists and historians of science comment on Charles Darwin’s “On the Origin of Species.”
Multimedia
Quiz: All About Galileo
Test your knowledge of Galileo Galilei on the 400th anniversary of the publication of "Sidereus Nuncius," which included his early observations through a telescope.
Your Dot: A Bison Encounter
March 12, 2010
New U.N. Climate Change Group is All Male
March 11, 2010
A New Unit for (Saved) Power
March 11, 2010
Arguments Against Dolphin Slaughter
March 11, 2010
Science Academies to Assess Climate Assessors
March 10, 2010
Monday Puzzle: Fun on Display
March 8, 2010
The Second Law Strikes Back
March 5, 2010
Monday Puzzle: Some Light Number Music
March 1, 2010
Salt Wars
February 22, 2010
Monday Puzzle: Getting Something From Nothing
February 22, 2010
Science Columns
Q & A
Almonds for Calcium?
By C. CLAIBORNE RAY
Are almonds a good source of calcium or do they block calcium absorption?
Observatory
Greens Get a Boost Under the Glow of the Supermarket
By HENRY FOUNTAIN
Researchers found that spinach leaves exposed to light had higher levels of vitamins than those kept in darkness.
Observatory
Scientists Propose a More Efficient Way to Make Ethanol
By HENRY FOUNTAIN
Researchers said they found a way to break down lignocellulose, the basic structural material of all plants, to make fuel from crop waste.
Observatory
One Reason Lizards Have Ears: To Eavesdrop
By HENRY FOUNTAIN
While most lizards do not communicate among themselves, some use their ears to listen for warning calls from other animals, researchers say, which could alert them to predators.
Health Columns
Doctor and Patient
Learning to Keep Patients Safe in a Culture of Fear
By PAULINE W. CHEN, M.D.
The threat of blame, even malpractice, looms over doctors working to prevent medical errors.
Post a CommentWell
After Cancer, Removing a Healthy Breast
By TARA PARKER-POPE
A procedure gains popularity but doesn't improve survival odds.
18 and Under
When a Scratch or a Nosebleed Turns Into a Flood
By PERRI KLASS, M.D.
Some of the ailments, like idiopathic thrombocytopenic purpura, are usually resolved on their own, but others require treatment.
Cases
Fake Nostalgia for a Pre-Therapy Past
By ERIK KOLBELL
Navigating difficult years with the help of someone who gets it.
Personal Health
To Keep Moving, Look Beyond the Physical
By JANE E. BRODY
For many people, regular physical activity is as much about social interaction as it is about being healthy.
Really?
The Claim: A Glass of Wine With Dinner Aids Digestion
By ANAHAD O'CONNOR
Can wine help you digest your meal?
Letters
MOST POPULAR - SCIENCE
- 3 Rulings Find No Link to Vaccines and Autism
- Climate Change Threatens Migratory Birds, Report Says
- Ground Zero Workers Reach Deal Over Claims
- A Conversation With Dr. Peter J. Pronovost: Doctor Leads Quest for Safer Ways to Care for Patients
- Hurdles Still Remain for Ground Zero Settlement
- Talks to Address Trade in Tuna and Ivory
- John Thorbjarnarson, a Crocodile and Alligator Expert, Is Dead at 52
- National Briefing | Washington: Climate Change Adds to Bird Stress
- Quiz: All About Galileo
- Q & A: Almonds for Calcium?
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