Coming Together to Pray, and Also to Find Reduced-Rate Energy Deals
By MIREYA NAVARRO
Washington congregations are discovering ways to cut bills and support renewable power.
LIFE OUT THERE
‘It’s Alive! It’s Alive!’ Maybe Right Here on Earth
By DENNIS OVERBYE
Chemists and biologists are trying to generate the Frankensteinian spark that will jump the gap separating the inanimate and the animate.
OBSERVATORY
A Vine Bounces Back Sound to Signal Bats
By SINDYA N. BHANOO
The plant, Marcgravia evenia, has dish-shaped leaves that reflect sounds especially well, making it easy for bats to identify it though echolocation.
OBSERVATORY
Herbivores’ Nibbles Affect Climate Tales That Tree Rings Tell
By SINDYA N. BHANOO
Analyzing past climate conditions using tree rings is complicated when the trees have been food for animals, researchers have found.
Report on Dead Polar Bears Gets a Biologist Suspended
By FELICITY BARRINGER
Charles Monnett’s sightings in Arctic waters became a rallying point for those concerned about global warming.
Science Times: July 26, 2011
Evolution Right Under Our Noses
By CARL ZIMMER
A small but growing number of field biologists study urban evolution — the biological changes that cities bring to the wildlife that inhabits them.
BASICS
A Forbidding Kingdom of Snow Leopards
By NATALIE ANGIER
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.
More Science News
Ruling Upholds Gene Patent in Cancer Test
Republicans Seek Big Cuts in Environmental Rules
N.R.C. Lowers Estimate of How Many Would Die in Meltdown
Japanese, in Shortage, Willingly Ration Watts
By Sterilizing Stray Cats, City Hopes to Cut Shelter Numbers
Human Run-Ins With Bears May Portend Deeper Changes
Precious Waters: Storing Water for a Dry Day Leads to Suits
Colleges Join Plan for Faster Computer Networks
Suspect’s Manifesto Points to Planned Anthrax Use, but Also to a Lack of Expertise
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.”
Biologist’s Suspension Is Not Related to Scientific Integrity, Bureau Official Says
David Servan-Schreiber, Exponent of Cancer Treatments, Dies at 50
John H. Marburger, Bush Science Adviser, Dies at 70
Robert C. W. Ettinger, 92, Dies; Proponent of Life After (Deep-Frozen) Death
Men in Grief Seek Others Who Mourn as They Do
Well: Migraine Miseries Push Patients to Ways of Coping
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.
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.
Jamaica Bay: Wilderness on the Edge
By ALAN FEUER
With the city pushing relentlessly against Jamaica Bay, advocates are toiling to keep the 20,000-acre wildlife haven vital.
Removing Barriers to Salmon Migration
By WILLIAM YARDLEY
A promising environmental restoration project will soon get under way in Washington state in the form of the largest dam removal in American history.
SCIENTIST AT WORK BLOG
Plants, Climate and a Festival
By LAURA FOX
How will climate change affect the diverse plant community that feeds the inhabitants of the northern Mongolian steppe?
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?
Podcast: Science Times
Health Columns
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.
Opinion
DOT EARTH BLOG
Radiation's Role in (Safely) Feeding the Planet
By ANDREW C. REVKIN
After recent outbreaks of deadly food-borne illness, the notion of irradiating food gets a bit of traction.
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