Putting the "extreme" in extreme makeover, some Russian surgeons are courting controversy by breaking legs, among other procedures, to make the limbs longer for cosmetic purposes. Video.
Six gorilla orphans of a critically endangered species have been released on an isolated African island. Conservationists hope to move the gorillas into the wider wilderness within three years. Video
Sarah Palin isn't the only one who supports hunting from a helicopter. The Australian government is using choppers with heat sensors to scour the land for invasive fire ants. Video.
In a small village in northeastern Afghanistan, it's estimated more than half the residents are addicted to opium. Even the youngest of children are given the drug.Video.
In the Washington, D.C., area, acupuncture is becoming a more popular option for treating a variety of animal ailments, from arthritis and nerve damage to constipation. Video.
Denture wearers take note: Science is one step closer to growing replacement teeth. For the first time an honest-to-goodness tooth has grown from stem cells in a jaw.
New genetic analysis suggests the deadly parasite mutated from a chimpanzee strain—and hints that similarly long-lasting diseases are today making the leap from animals to people.
Sure, you can live without your spleen or your appendix, but evidence is mounting that these and other "useless" vestigial organs are actually hard at work keeping you healthy.
Long thought to be harmless, SIV—the source of HIV—may lead to a lethal, AIDS-like illness in chimps, after all. Though a blow to conservationists, the discovery may hold insights for human medicine.
Vampire bats in Peru are increasingly biting people, and a National Geographic researcher is trying to find ways to stem the resulting spread of deadly rabies. Video.
