Besides a few species of amphibians and reptiles, vertebrates cannot replace lost body parts. Except for deer, that is. Now, a German team of researchers say the results of their experiments support the claim that stem cells activate antler regeneration.

A grisly discovery of more than 400 mutilated bodies in Mexico is turning history on its head. “Secrets of the Dead: Aztec Massacre” paints a new picture of the violent relations between the Aztecs and the Conquistadors and rewrites much of what we thought we knew about the Aztec civilization. Watch the full episode online.

In India and Africa, vulture numbers are severely threatened. In India, drugs given to livestock are having unintentionally bad effects on white-backed vulture populations; in Africa, the practice of poisoning carcasses is killing record numbers of vultures. More…

In the ’50s and ’60s, Cabo Blanco, Peru was a mecca for food and sport fishing. There, the collision of two ocean currents created the perfect conditions the prized billfish. Now the billfish are all but gone from Cabo Blanco–see more about them on Nature’s “Superfish”.

Can exercises make you smarter? Can exercising make your brain more fit as well? The New York Times recently reported that a University of Michigan study showed that memory training exercises can increase intelligence.

The “Superfish” marine biologist Rick Rosenthal chases in this Sunday’s episode of Nature are among the most elegant and streamlined swimmers in the sea. But what is it like to swim with monsters?

Even though the Meadowlands area of Northern New Jersey has had extensive environmental cleanup, a new bird study shows that many species still live with harmful levels of contaminants.

Australian Shark Count hits 4,022 sharks so far; 1,000-pound Colossal Squid Corpse thaws for study; Warning buoys installed on Atlantic (East Coast) to protect Right Whales.

Nature’s new documentary, “Superfish,” which premieres this Sunday at 8pm, follows marine biologist and filmmaker Rick Rosenthal across three oceans and more than two years on his quest to film the biggest, fastest, most dangerous gamefish in the sea — the ancient and amazing creatures known as billfish.

Ever since the ‘breast cancer’ gene BRCA was identified, women who have the gene have struggled with decisions of how that affects their bodies and futures. The two profiled below struggled with the same decision:
Tavis Smiley this past week interviewed TV writer Jessica Queller, who underwent a double mastectomy at age 35 and wrote a [...]