Thursday, November 19, 2009

Science

Seas Grow Less Effective at Absorbing Emissions

The Earth’s oceans have recently grown less efficient at sopping up carbon dioxide from fuel emissions, new research suggests.

Storm Over the Chamber

Thomas Donohue, the United States Chamber of Commerce’s president, expressed hostility toward climate legislation, which led several businesses to resign in protest.

Paying More for Flights Eases Guilt, Not Emissions

The sheer size of the airline industry’s emissions makes it hard to judge the effectiveness of carbon offset programs.

NASA's Mars Rover Spirit took this image with its front hazard-avoidance camera on May 6. Wheel slippage during attempts to extricate it from a patch of soft ground during the preceding two weeks had partially buried the wheels.
NASA

NASA's Mars Rover Spirit took this image with its front hazard-avoidance camera on May 6. Wheel slippage during attempts to extricate it from a patch of soft ground during the preceding two weeks had partially buried the wheels.

Engineers tried to move the Spirit from a sand trap where it became stuck in May, but the maneuvers stopped after less than a second.

A Genetics Company Fails, Its Research Too Complex

The demise of deCode Genetics was largely the result of learning that researching genes that cause diseases was far more complex than anyone originally thought.

Science Times: Nov. 17, 2009
Viktor Koen

Do laws about the ownership of ancient artifacts help or hurt archaeology?

Essay

Is Doomsday Coming? Perhaps, but Not in 2012

Scientists give many reasons not to worry about predictions based on the Mayan calendar that the world will end in three years.

Scientist at Work

After Microsoft, Bringing a High-Tech Eye to Professional Kitchens

Nathan Myhrvold, a former chief technology officer at the software company, is testing food in a lab near Seattle for a specialized cookbook.

An Air-Traffic Upgrade to Improve Travel by Plane

A plan by the Federal Aviation Administration would replace radar with the Global Positioning System.

Breaching a Barrier to Fight Brain Cancer

An experimental treatment for glioblastoma suppresses a barrier to deliver a drug directly to brain tumors.

Panel Urges Mammograms at 50, Not 40

The new recommendations, released Monday by an influential group, reverse longstanding guidelines.

Multimedia

Video: Saving Sea Turtles, One Nest at a Time

Global warming and coastal development are decimating Pacific sea turtle populations. In Costa Rica, a group of one-time poachers is giving baby sea turtles a chance at survival.

Slide Show: Science in Pictures: Gorilla Blood Pressure and the Color of Love

Scientific images and news from Oct. 30 to Nov. 12.

Slide Show: Rubbish in the Pacific

The detritus of human life is collecting in a Pacific Ocean garbage patch that is believed to be twice the size of Texas.

Science Illustrated

Graphic: A Faster Journey to Mars

A plasma rocket engine now in development could reduce the travel time to Mars by two-thirds.

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.”

Podcast: Science Times
Science Times Podcast
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David Corcoran, a science editor, explores some of the topics addressed in this week’s Science Times.

Q & A

In Search of the Geep

If a sheep and a goat mate, is the offspring a geep?

Observatory

When Mountain Lions Hunt, They Prey on the Weak

Mountain lions seem to actively seek out mule deer infected with chronic wasting disease.

Observatory

Digging Into the Science of That Old-Book Smell

Is the smell of old books — musty, slightly acidic, even grassy — quantifiable or useful?

Observatory

Changes in the Climate and a Windier Great Lake

Chalk up another effect of climate change: it’s getting windier over Lake Superior.

Health Columns
Cases

Checking the Right Boxes, but Failing the Patient

As doctors bustle from one well-documented chart to the next, no one is counting whether they are still paying attention to people.

Personal Health

A Dental Shift: Implants Instead of Bridges

Implants are the best solution to replace lost teeth in most cases, and they are more economical than bridges over time.

Really?

The Claim: A Person Can Contract Two Colds at One Time

Can a person be sick with two colds at once?

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