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NANTES, France--The shape of Comet Hartley 2 has inspired a number of colorful descriptors--it's been called a pickle, a peanut, a dog bone and a bowling pin. [More]

When it comes to climate change denial, not all human beings are created equal. As a recent study shows, conservative white males are less likely to believe in climate change

Drone strikes have proved an effective, if controversial, weapon in the hunt for al Qaeda operatives in the Middle East and beyond . The use of such unmanned aircraft systems (UAS) domestically for civilian jobs such as U.S. border patrol, weather research, pipeline inspection or even real estate photography has lagged, however, because of a cumbersome Federal Aviation Administration (FAA) case-based approval process.

In a first-ever experiment, primates move and feel objects on a computer screen using only their thoughts When real brains operate in the real world, it's a two-way street.

Introduction Recently we published a study in the Proceedings of the National Academy of Sciences reporting a drop in testosterone levels among newly partnered new fathers.

Like the detectives on the CBS drama Cold Case , anthropologist Ann H. Ross of North Carolina State University spends many of her days thinking about unsolved crimes. Her most recent work has aimed at developing software that helps forensic scientists determine the sex and ancestry of modern

Looking for the Web Exclusive mentioned in the October 2011 issue of Scientific American ?

The 2011 Nobel Prize in chemistry was awarded today to Daniel Schechtman of the Technion--Israel Institute of Technology in Haifa.

Evidence is mounting that repeated concussions can do long-term harm to the brain. Athletes who play contact sports are particularly at risk.

The 2011 Nobel Prize in chemistry goes to Daniel Schechtman of the Technion–Israel Institute of Technology in Haifa.

By Andrew Stern CHICAGO (Reuters) - Great Lakes shorelines are becoming clogged by algae blooms fed by agricultural run-off, while invasive mussels decimate the food chain in deeper waters, an environmental group said on Tuesday. [More]

Sewage. We know it's filled with germs that can make us sick, which is why we try to keep it far away from food and water supplies

NANTES, France--Asteroids are often considered debris, the scraps and odd lumps that went unused in the forming of the planets. But when it comes to Vesta, one of the largest asteroids in our solar system, Chris Russell hardly considers the rock a mere castoff.

Feelings of hate may be different for those with depression, a new study suggests.

1st place winner: Portrait of a green lacewing larva (20X) by the inimitable Igor Siwanowicz While science journalists’ attention remains focused on the Nobel prizes, another set of awards- rather diminutive in scope- were also released this morning. [More]