Teeth of Human Ancestors Hold Clues to Their Family Life
By NICHOLAS WADE
Scientists analyzing fossil teeth of australopithecines in Africa say the males stayed close to home, while the females dispersed after puberty, as in chimpanzee societies.
Shuttles, Turning Sedentary, Leave Pieces Behind for Science and Safety
By HENRY FOUNTAIN
Joe Skipper/Agence France-Presse — Getty Images
The shuttle Endeavour landing at Kennedy Space Center on Wednesday, the end of its final mission. It will be on display at the California Science Center, without its engines and other parts.
As NASA gets its space shuttles ready to be shipped out to museums, crews have been flooded with requests to squirrel away parts of the spacecraft for analysis.
Cocoa Beach Journal
Small but Innumerable, Jellyfish Storm a Beach
By LIZETTE ALVAREZ
In Florida, the summer’s first big beach weekend could be summed up by the word “Ouch!” as a mauve stingers claimed 10 miles of beach in time for Memorial Day.
Observatory
Treasure Is Found Deep in a Gold Mine: A New Worm
By SINDYA N. BHANOO
A tiny nematode from a shaft of the Beatrix mine in South Africa is the first known multicellular organism to dwell at such depths.
World Bank to Help Cities Control Climate Change
By ALEXEI BARRIONUEVO
At a climate meeting in Brazil, the bank agreed to help cities pay for projects and attract investors.
Rosalyn S. Yalow, Nobel Medical Physicist, Dies at 89
By DENISE GELLENE
In 1972, Dr. Yalow, who is from the Bronx, was only the second woman to win the Nobel Prize in Medicine.
Science Times: May 31, 2011
Ann Johansson for The New York Times
MONITOR Jay S. Famiglietti of the University of California Center for Hydrologic Modeling found that from October 2003 to March 2010, aquifers under the state's Central Valley were drawn down by 25 million acre-feet.
Groundwater Depletion Is Detected From Space
By FELICITY BARRINGER
Scientists have used small variations in the Earth’s gravity to identify trouble spots around the globe where people are making unsustainable demands on groundwater.
A Conversation With Ellen Bialystok
The Bilingual Advantage
By CLAUDIA DREIFUS
Among other benefits, the regular use of two languages appears to delay the onset of Alzheimer’s disease symptoms.
Inspectors Pierce Iran’s Cloak of Nuclear Secrecy
By WILLIAM J. BROAD
The world’s atomic watchdog unveiled new details of what they call “possible military dimensions” of Iran’s nuclear program.
Graphic: New Evidence on Iran’s Nuclear Aspirations
Despite Advances, Tornado Forecasts Show Limits
By GUY GUGLIOTTA
Tornado fatalities have declined steadily, but many of the circumstances that were beyond science in 1953 are still beyond science today.
Scientist at Work Blog
Biodiversity in the Arctic Sky
By KATE STAFFORD
The biodiversity of the Arctic can be found in the water, on the tundra and in the sky.
Health News
Brain Injuries Are Seen in New Scans of Veterans
By DENISE GRADY
A study may explain why some people exposed to blasts have symptoms despite normal CT and M.R.I. scans.
Report Finds Inequities in Payments for Medicare
By ROBERT PEAR
A National Academy of Sciences panel says formulas for reimbursing doctors and hospitals are deeply flawed.
The Doctor’s World
30 Years In, We Are Still Learning From AIDS
By LAWRENCE K. ALTMAN, M.D.
The fight against the disease has altered medicine, shaped research and highlighted the challenges that remain.
Well
Tuning In to Patients’ Cries for Help
By TARA PARKER-POPE
Hospitals around the country are starting programs to deal with the problem of slow responses to patients' calls for assistance.
More Multimedia
An Ecological Ambassador
According to the owl researcher Denver Holt, snowy owls are a charismatic ambassador to the world to warn of problems caused by climate change.
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.
Rock-Paper-Scissors: You vs. the Computer
Test your strategy against the computer in this rock-paper-scissors game illustrating basic artificial intelligence.
World Science Festival
A Double Helix of Art and Science
By DENNIS OVERBYE
The five-day World Science Festival is a smooch-fest between science and art.
ArtsBeat Blog
Alan Alda’s Marie Curie Play
By DENNIS OVERBYE
Big questions and a reading of Alan Alda’s new play at the World Science Festival.
Getting to the Tundra
June 1, 2011
Life at the Edge of the Verde Island Passage
May 31, 2011
Q. and A. on the Nitrogen Cycle
May 26, 2011
A Nimbler, More Energy-Efficient Marine Corps
June 2, 2011
House Panel Faults Administration Spill Response
June 2, 2011
Stalwarts in China's Water Struggle
June 2, 2011
Podcast: Science Times
This week: When you push that hospital call button, is anybody listening? Thirty years on the AIDS watch. And a science fair to remember.
Science Columns
Q & A
The Squeaky Joint
By C. CLAIBORNE RAY
Considerable research shows that ingesting fish oils can help reduce stiffness in those with rheumatoid arthritis.
Observatory
Gaining Perspective, Small and Large, With Dolls
By SINDYA N. BHANOO
Researchers used cameras and a doll to open a window on how people interpret the world around them.
Observatory
Sloppiness Aside, Dogs Are Sophisticated Drinkers Too
By SINDYA N. BHANOO
A report last year on cats’ gravity-defying lapping mechanism surmised that dogs just crudely scoop up liquids. Not so, researchers now say.
Observatory
Fossil Extends Life Span of a Marine Predator
By SINDYA N. BHANOO
A well-preserved specimen indicates that anomalocaridids, the largest animal species of the Cambrian period, lived 30 million years longer and grew much bigger than previously thought.
Health Columns
Personal Health
A Good Night’s Sleep Isn’t a Luxury; It’s a Necessity
By JANE E. BRODY
There always seems to be something keeping us awake.
Really?
The Claim: A Diet High in Protein Is Bad for Your Kidneys
By ANAHAD O’CONNOR
A look at the research on a popular weight loss choice.
Opinion
Dot Earth Blog
Closeup: April's Tornado Outbreaks
By ANDREW C. REVKIN
A satellite view of the hemispheric swirls that spawned April's tornado outbreaks.
Wordplay Blog
Numberplay: A Triplet of Time Puzzles
By GARY ANTONICK
Our puzzles this week are by 13-year-old Neil Bickford.
Letters
Science, Environment and Health Series | Special Sections
MOST POPULAR - SCIENCE
- The Bilingual Advantage
- Cocoa Beach Journal: Small but Innumerable, Jellyfish Storm a Beach
- Teeth of Human Ancestors Hold Clues to Their Family Life
- World Bank to Help Cities Control Climate Change
- Shuttles, Turning Sedentary, Leave Pieces Behind for Science and Safety
- Groundwater Depletion Is Detected From Space
- Observatory: Treasure Is Found Deep in a Gold Mine: A New Worm
- Q & A: The Squeaky Joint
- Changes in the Air: A City Prepares for a Warm Long-Term Forecast
- Cases: A Source of Strength to Help Conquer Addiction
- The Bilingual Advantage
- Cocoa Beach Journal: Small but Innumerable, Jellyfish Storm a Beach
- Shuttles, Turning Sedentary, Leave Pieces Behind for Science and Safety
- Teeth of Human Ancestors Hold Clues to Their Family Life
- Observatory: Treasure Is Found Deep in a Gold Mine: A New Worm
- World Bank to Help Cities Control Climate Change
- Groundwater Depletion Is Detected From Space
- A Slimmer Package, With Ingenuity to Spare
- Fertility Loves Company: Why Mauve Stingers Don’t Go Solo
- Costs May Impede City's Switch to Clean Boiler Fuel
