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Updated: 33 min 34 sec ago

New Data Shed Light on Large-Animal Extinction

Fri, 11/20/2009 - 06:15
A team from the University of Wisconsin uncovered a crucial sequence of events that rules out some explanations and severely constrains others.

Paying More for Flights Eases Guilt, Not Emissions

Fri, 11/20/2009 - 03:37
The sheer size of the airline industry’s emissions makes it hard to judge the effectiveness of carbon offset programs.

How Will Religion Evolve?

Thu, 11/19/2009 - 21:20
Is some sort of compromise coming in the future of religion? And if so, where?

Panel Urges Mammograms at 50, Not 40

Thu, 11/19/2009 - 20:51
The new recommendations, released Monday by an influential group, reverse longstanding guidelines.

Business of Green: Seeking Wind Energy, Some Consider the Sea

Thu, 11/19/2009 - 08:46
The hope among advocates is that deepwater turbines will solve some of the problems of land-based turbines and those that are built on foundations in shallow water.

Business of Green: Storm Over the Chamber

Thu, 11/19/2009 - 08:43
Thomas Donohue, the United States Chamber of Commerce’s president, expressed hostility toward climate legislation, which led several businesses to resign in protest.

Seas Grow Less Effective at Absorbing Emissions

Thu, 11/19/2009 - 07:57
The Earth’s oceans have recently grown less efficient at sopping up carbon dioxide from fuel emissions, new research suggests.

California Imposes Rule for Efficiency on Some TVs

Thu, 11/19/2009 - 07:49
The state recognized that giant new flat-panel televisions have become major power guzzlers.

Business of Green: Storm Over the Chamber

Thu, 11/19/2009 - 05:22
Thomas Donohue, the United States Chamber of Commerce’s president, expressed hostility toward climate legislation, which led several businesses to resign in protest.

Scientist at Work: Nathan Myhrvold: After Microsoft, Bringing a High-Tech Eye to Professional Kitchens

Thu, 11/19/2009 - 03:11
Nathan Myhrvold, a former chief technology officer at the software company, is testing food in a lab near Seattle for a specialized cookbook.

Breaching a Barrier to Fight Brain Cancer

Thu, 11/19/2009 - 02:53
An experimental treatment for glioblastoma suppresses a barrier to deliver a drug directly to brain tumors.

Findings: A Case in Antiquities for ‘Finders Keepers’

Thu, 11/19/2009 - 02:49
Do laws about the ownership of ancient artifacts help or hurt archaeology?

California Imposes Rule for Efficiency on Some TVs

Thu, 11/19/2009 - 02:48
The state recognized that giant new flat-panel televisions have become major power guzzlers.

Shuttle Atlantis Lifts Off for 11-Day Mission

Thu, 11/19/2009 - 02:48
Atlantis set off for the International Space Station, carrying spare parts and equipment as a hedge against failures after the shuttle fleet is retired next year.

Little Progress in Freeing a Rover on Mars

Wed, 11/18/2009 - 17:57
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.

Essay: Is Doomsday Coming? Perhaps, but Not in 2012

Wed, 11/18/2009 - 16:51
Scientists give many reasons not to worry about predictions based on the Mayan calendar that the world will end in three years.

A Genetics Company Fails, Its Research Too Complex

Wed, 11/18/2009 - 16:23
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.

Vital Signs: Smoking Is Down but Not by Much, U.S. Reports

Wed, 11/18/2009 - 15:56
Some 20.6 percent of Americans were current smokers in 2008, a dip from 20.9 percent in 2004, the Centers for Disease Control and Prevention said.

Personal Health: A Dental Shift: Implants Instead of Bridges

Wed, 11/18/2009 - 07:04
Implants are the best solution to replace lost teeth in most cases, and they are more economical than bridges over time.

First Mention: Fluoride, 1931

Tue, 11/17/2009 - 16:54
The New York Times reported the link between fluoride and cavity prevention on June 14, 1931.

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