Science Times: July 26, 2011
Evolution Right Under Our Noses
By CARL ZIMMER
Damon Winter/The New York Times
URBAN LAB Clockwise from top left: An ant trap in a Broadway median; James Danoff-Burg taking notes in Riverside Park; a white-footed mouse in Highbridge Park; Dr. Danoff-Burg collecting ants.
A small but growing number of field biologists study urban evolution — the biological changes that cities bring to the wildlife that inhabits them.
Wildlife Conservation Society
HIDE AND SEEK Studying snow leopards in Afghanistan can be challenging.
A wealth of snow leopard images has helped estimate population numbers, identify individuals and track migrations.
ON VIEW
It’s Fashionable to Take a Trip to Another Universe
By DENNIS OVERBYE
Multiple universes are all the rage these days, and the new film “Another Earth” explores those crisscrossing worlds.
Codebook Shows an Encryption Form Dates Back to Telegraphs
By JOHN MARKOFF
A computer scientist discovered that a form of cryptography, believed to have been invented in the 20th century, actually has older roots.
SCIENTIST AT WORK BLOG
Carrots and Sticks in Elephant Land
By CAITLIN O’CONNELL-RODWELL
Scientists in Namibia observe a dominant elephant's delicate balancing act between aggressive and affiliative behaviors.
Health News
NEWS ANALYSIS
Grasping for Any Way to Prevent Alzheimer’s
By PAM BELLUCK
Scientists have calculated that if people address certain risks, a significant number of Alzheimer’s cases could be prevented, with the operative word being “could.”
Men in Grief Seek Others Who Mourn as They Do
By PERRY GARFINKEL
Research increasingly suggests that men and women experience grief in different ways, and the realization has bolstered a nascent movement of bereavement groups geared to men throughout the country.
Interactive: How Men GrieveTHE CONSUMER
Bargains on Used Goods May Prove Costly
By WALECIA KONRAD
Cribs, bicycle helmets and child safety seats are just a few of the products that consumer should be wary about buying used, advocacy groups say.
BOOKS
Their Zeal Changed Lives, if Not the System
By ABIGAIL ZUGER, M.D.
Dr. David A. Ansell writes about his years working at Cook County Hospital in Chicago, where treating patients was often a medical and political struggle.
More News
More Multimedia
Animals at Play
“The Exultant Ark” examines animal pleasure, with surprising, funny, touching, sad, heartwarming pictures by photographers from all over the world.
INTERACTIVE GRAPHIC: 30 Years of the Space Shuttle
An interactive timeline of the 135 space shuttle missions.
Slide Show: Final Launching of Atlantis
VIDEO: Nora Volkow
An interview with the neuroscientist in charge of the National Institute on Drug Abuse, who also happens to be the great-granddaughter of Leon Trotsky.
Rock-Paper-Scissors: You vs. the Computer
Test your strategy against the computer in this rock-paper-scissors game illustrating basic artificial intelligence.
Podcast: Science Times
This week: Evolution on a small island, running with the elephants and is Alzheimer's disease preventable?
Science Columns
OBSERVATORY
Rocky Surprises on the Far Side of the Moon
By SINDYA N. BHANOO
Researchers have found dome-shaped volcanic deposits that measure half a mile to three miles across on the Moon.
OBSERVATORY
Dolphin Tool Helps to Find Fare on Seafloor
By SINDYA N. BHANOO
Some dolphins use marine basket sponges to forage for food because it allows them to uncover prey undiscoverable by echolocation.
OBSERVATORY
Blame for Extinction Spreads to Methane Gas
By SINDYA N. BHANOO
The study could be foreshadowing the effect of climate change on Earth, its lead author says.
Q & A
The Rocking Boat
By C. CLAIBORNE RAY
Why do some people become seasick while others on the same boat do not?
Health Columns
WELL
Migraine Miseries Push Patients to Ways of Coping
By TARA PARKER-POPE
More than 10 percent of adults and children suffer from migraine, which is three times as common in women and girls as in men and boys.
PERSONAL HEALTH
Sun’s Rays May Leave Mysterious Marks
By JANE E. BRODY
Many rashes result from a photosensitivity reaction, a combination of the sun’s UVA radiation and exposure to a drug, perfume or another substance.
REALLY?
The Claim: Air-Conditioning Can Cause Colds
By ANAHAD O'CONNOR
Though colds and other respiratory ailments are caused by viruses, not cold temperatures, there is some evidence that air-conditioning may contribute in some small way to such illnesses.
Submarines, Rocks and a Beautiful Lake
July 22, 2011
Ritualized Bonding in Male Elephants
July 21, 2011
Return to the Elephant Club
July 20, 2011
Volleys Fly in House Debate on E.P.A. and Interior
July 25, 2011
Biting the Bullet, Vermont Yankee Orders Fuel
July 25, 2011
House Opens Debate on E.P.A. Funding Bill
July 25, 2011
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