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Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation, DNA damage and cell death.

categorical decisions. Jurors look at testimony and judge whether a defendant is guilty or not guilty. Police officers take aim at suspects and have to determine whether they see a gun in the suspect’s hand, or something that just resembles a gun.

Cancer doctors share key strategies for making smart decisions about complicated treatment options

Stockbox, a new Seattle startup that was recently funded on Kickstarter, is bringing fresh food to a place where it takes 45 minutes to get to the nearest grocery store. According to the USDA , 23 million Americans live in “ food deserts ”--areas without ready access to fresh, affordable, and healthy food.

British doctors have successfully separated twin girls who were born joined at the head. The sisters shared blood supply to their brains - giving surgeons a difficult challenge. CBS News correspondent Tina Kraus reports.

By David Cyranoski of Nature magazine There's a showdown brewing in the state of Texas -- and it could get ugly. [More]

By David Cyranoski of Nature magazine There's a showdown brewing in the state of Texas -- and it could get ugly.

By Lucas Laursen of Nature magazine Glaciologists and climatologists are racing to correct an error in the latest edition of The Times Comprehensive Atlas of the World, which they say overstates the extent of ice loss in Greenland over the past 12 years. The 13th edition of the atlas was released on 15 September.

By Lucas Laursen of Nature magazine Glaciologists and climatologists are racing to correct an error in the latest edition of The Times Comprehensive Atlas of the World, which they say overstates the extent of ice loss in Greenland over the past 12 years. The 13th edition of the atlas was released on 15 September. [More]

Pity our neighbors to the north.

Doctors put odds of such a pregnancy at one in five million

Dolores Hope, who was married for 69 years to legendary entertainer Bob Hope, died on Monday at her home in Los Angeles. Hope was 102 years old. CBSNews.com's Ken Lombardi reports

By Nina Chestney LONDON (Reuters) - Solutions such as fog catchers, seawater greenhouses and fuel cells powered by microscopic bacteria are on show to help secure water supply and food production as rising population and climate change put the world's natural resources under strain. [More]

Although astronomers only slowly came to realize dark matter’s importance in the universe, for me personally it happened in an instant. In my first project as a postdoc at the University of California, Berkeley, in 1978, I measured the rotational velocities of star-forming giant molecular clouds in the outer part of the disk of our Milky Way galaxy.

This video shows the spiral shape of our galaxy and two of its small satellite galaxies, the Large and Small Magellanic Clouds (to the left). The satellites orbit the main galaxy and, in the process, trigger slow-motion waves in it. On a human time scale, those waves look like a static warp in the galactic outskirts