Last week, researchers announced a significant advance in stem-cell science -- they changed skin cells into cells that seem to behave like embryonic stem cells. The work has the potential to sidestep many of the ethical concerns surrounding previous embryonic stem-cell research.
This week, Web giant Google announced a new project that aims to support the development of various alternative energy technologies to eventually make them cheaper than coal. Bill Weihl, Google's "alternative energy czar," explains the company's plan to give a boost to green energy solutions.
Canadian cattle up to 8-years-old can now be imported into the U.S. -- previously only younger cattle were allowed, as older cattle are at higher risk of developing so-called "mad cow disease." The USDA says that a 1999 ban on certain types of feed make the cattle of minimal risk.
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From last-minute gift shopping, to preparing for family celebrations, being of good cheer isn't always easy during the holidays. Health experts discuss the effects that stress can have on your health, and offer some suggestions for keeping your cool during this frantically festive season.
Doctors have rewired the nerves of two amputees to restore the sensation of touch to their missing hands. The amputees now experience an object touching their chest in two ways at the same time -- the expected feeling of being touched on the chest, and the sensation of being touched on a missing hand.