From video games to cell phone apps, making sign language easier to learn Put on the gloves. Turn on the camera and...action! Nine-year-old Thomas Nelson is playing a video game called "CopyCat," which is a unique and fun way to learn sign language. Thomas was 2 years old when doctors determined he was profoundly deaf. His mother, Cheryl Nelson, says he couldn't hear the sound of a honking horn from an oncoming truck. For more Science Nation -...

Is a trip to the 3-D movies making you sick? With the recent release of blockbusters such as Avatar and How to Train your Dragon and with expectations that 3-D TVs will be a big seller during the holidays, 2010 is fast shaping up to become "The Year of 3-D," at least in the world of entertainment. If Hollywood ticket sales are any indication, folks are embracing the new technology in droves. But, while many of us watch 3-D entertainment in awe, others are compelled to look away. There just...

Historical films, field work reveal more about endangered Native American language James Woodenlegs first learned to communicate using Plains Indians Sign Language from his family, when he was growing up on the Northern Cheyenne Reservation in Montana. Known as "hand talk" or "sign talk," the language has been used by both deaf and hearing Indians from Canada to the Gulf of Mexico for at least 200 years, possibly much longer. For this and more Science Nation, go to...

Primates and humans share a sense of fair play Logan knows when he's been handed a raw deal. He and Liam, the monkey next to him, just did the exact same trick and Liam was rewarded with a grape. Logan got a cucumber. Any monkey knows grapes are more prized than that boring old cucumber slice Logan received. So he simply tosses that cucumber slice out of his cage. For more Science Nation, go to http://www.nsf.gov/news/special_reports/science_nation/index.jsp

Fembot helps researchers study America's most bizarre bird. "The sage grouse is the most elaborate and extreme bird we have in the United States," says Gail Patricelli, an animal behaviorist at the University of California (UC), Davis. "We're basically trying to understand why we have animals that are as amazing and beautiful as the peacocks."

Frogs in fight for their lives from disease, pollution, habitat loss.
Disease, pollution, and loss of habitat are killing off hundreds of species of amphibians. One of the biggest threats right now is an aquatic fungus called chytrid that infects the skin of these historically tough, resilient creatures.