http://www.nytimes.com/pages/science/index.html
ENERGY RUSH
Drillers in Utah Have a Friend in a U.S. Land Agency
By ERIC LIPTON
Jim Wilson/The New York Times
In the Nine Mile Canyon area, which is known for petroglyphs, a natural gas company is installing a pipeline despite concerns of archaeologists.
An obscure branch of the Bureau of Land Management wields great influence on local land-use decisions in the state, usually to the benefit of the energy industry.
In Blackouts, Drones and iPads May Come to Rescue
By MATTHEW L. WALD
Utility companies are experimenting with iPad apps and aerial robots to help get the lights back on faster after storms by providing information and logistical support.
Genetic Data and Fossil Evidence Tell Differing Tales of Human Origins
By NICHOLAS WADE
Geneticists’ new finding that a previously unknown archaic species of human mingled with early modern humans in Africa has been met with skepticism because no fossil evidence exists.
Storms Threaten Ozone Layer Over U.S., Study Says
By HENRY FOUNTAIN
The risk of damage may increase as the climate warms and storms grow more intense and more frequent, the study said.
SCIENTIST AT WORK BLOG
Leaving the Reefs of Carrie Bow
By DUSTIN R. RUBENSTEIN
As scientists prepare to leave Belize, they discuss reasons for the disappearance of eusocial shrimp in Caribbean reefs.
OBSERVATORY
Aging Termites That Go Out With a Bang
By SINDYA N. BHANOO
In one species of termites, aging workers develop a unique defense mechanism: external structures on their backs that are toxic to an attacker.
Leading the Search for a Self-Reliant Bloom
By LISA W. FODERARO
Peter E. Kukielski, of the New York Botanical Garden, is part of a movement to identify and promote rose varieties that will thrive without chemical intervention.
Weather Extremes Leave Parts of U.S. Grid Buckling
By MATTHEW L. WALD and JOHN SCHWARTZ
From highways to power plants, the concrete, steel and engineering that undergird the nation’s infrastructure are being dangerously taxed by heat, drought and storms.
Rare Burst of Melting Seen in Greenland’s Ice Sheet
By KELLY SLIVKA
The extent expanded from about 40 percent to 97 percent over four days, a first in 30 years of satellite observations but in line with a historical pattern.
SALLY RIDE | 1951-2012
American Woman Who Shattered Space Ceiling
By DENISE GRADY
Dr. Ride was the first American woman in space, flying on two missions on the shuttle Challenger.
Science Times: July 24, 2012
With Warming, Peril Underlies Road to Alaska
By CORNELIA DEAN
Guy Dore/Laval University
NOT SO PERMANENT A pool of permafrost meltwater has formed along the Alaska Highway near Beaver Creek, Yukon.
The Alaska Highway, built in haste during World War II, is facing big challenges, including the effects of climate change on the underlying permafrost.
SIDE EFFECTS
How Brown and Polar Bears Split Up, but Continued Coupling
By JAMES GORMAN
Comparing the DNA of related species can work as a kind of microscope to see how the species separated — events that are otherwise lost in deep time.
Frozen Sperm Offer a Lifeline for Coral
By MICHELLE NIJHUIS
Scientists hope that building what is essentially a coral sperm bank will someday help restore damaged reefs.
OUT THERE
Mystery Tug on Spacecraft Is Einstein’s ‘I Told You So’
By DENNIS OVERBYE
A new explanation for the mysterious force that slowed down the Pioneer 10 and 11 space probes in the 1980s indicates that the old sage was doubly right.
Health News
THE AGENDA: HEALTH
Too Much Medical Care?
By TARA PARKER-POPE
The United States spends an estimated $210 billion annually on unnecessary medical services. For patients, this often means getting pulled into a cycle of repeated lab work, scans and other medical tests.
Robert S. Ledley, Who Revolutionized Radiology, Is Dead at 86
By KATIE HAFNER
A dentist turned biomedical researcher, Dr. Ledley invented the first CT scanner capable of producing cross-sectional images of any part of the human body.
SCIENTIST AT WORK BLOG
The Darker Side of Elephant Country
By CAITLIN O'CONNELL-RODWELL
Scientists find that elephants, normally known for their gentle nature, sometimes turn against members of their own family in times of limited resources and duress.
THE AGENDA
A Climate and Energy Stalemate
By JOHN M. BRODER
Attuned to the public’s ambivalence, both political parties and their presidential candidates are playing down the climate issue.
Elephant Teenagers, Testing Boundaries
July 25, 2012
A Last Dive for Glowing Animals
July 24, 2012
In Caribbean Reefs, Social Shrimp Disappear
July 24, 2012
Keystone Pipeline Advances
July 27, 2012
Readers Jump Into the Climate Fray
July 27, 2012
On Our Radar: A Twist on Eating Local
July 27, 2012
Science Columns
OBSERVATORY
Mating Leaves Flies Most Vulnerable to Bats
By SINDYA N. BHANOO
Bats depend on flies for much of their diet, and a new study of a European bat suggests that the flies betray themselves while they mate.
OBSERVATORY
Tiny Outsider Seems to Help Mosses Reproduce
By KATE YANDELL
A new study shows that mosses appear to emit smelly compounds to attract tiny arthropods that carry sperm from plant to plant.
OBSERVATORY
Birds Switch Gears to Stay on Course
By SINDYA N. BHANOO
A new study suggests that hummingbird keep flying through a downpour by adjusting their posture and increasing the frequency of their wing beats.
Q & A
Vaccine vs. Virus
By C. CLAIBORNE RAY
Why didn’t viruses like polio and other diseases mutate to become immune to vaccines?
Podcast: Science Times
The permafrost challenge; diving the coral reefs; and treatment options for prostate cancer.
Science Times Podcast
30:54
Health Columns
PERSONAL HEALTH
The Ideal and the Real of Breast-Feeding
By JANE E. BRODY
Some dispute the message that "breast is best" and cite concerns for the pressure and guilt it heaps on working mothers.
REALLY?
The Claim: In a Heat Wave, an Electric Fan Can Cool You Off
By ANAHAD O'CONNOR
Some experts have questioned whether electric fans might actually hamper efforts to cool down.
Opinion
DOT EARTH BLOG
Can Universities Credibly Probe Gas Impacts When Industry Foots the Bill?
By ANDREW C. REVKIN
A foe of fracking sees big problems if hidden conflicts of interest in energy analysis become the norm.
WORDPLAY BLOG
Numberplay: Three Containers
By GARY ANTONICK
How can you pour water between three glasses to end up with two equal amounts?
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