Tom and Jerry fans may finally have the key to why the combative cartoon mouse went sappy in the seventies, thanks to Japanese experiments with nasal cells.

An eight-foot catfish, the new seven wonders, and "the inside-out-seahorse-in-a-ball-nerd of the deep" are among our most viewed marvels.

Soon after human ancestors began walking upright, female vertebrae started to evolve to help pregnant women keep their balance as their babies grow, a new study says.

Found high on a mountain, fossils of the 200-pound creature are revealing insights into mammal evolution and the geography of ancient South America.

The first footage of the endangered Mongolian long-eared jerboa in its natural habitat—the Gobi Desert—could help save the endangered mouse relative by bringing attention to it.

A bio-gas plant in an Indian town generates 3,000 watts of electricity a day—from human waste.

At nearly $800 per kilo, saffron is the world's most expensive spice. More than 150 purple flowers go into each gram of the deep-red saffron strands.

A 9-foot-long (274-centimeter-long) spitting cobra—also the most venomous of the cobras—has been identified in Kenya, experts say.

The tropical jewel wasp injects a venom into the cockroach brain that disables the victim's motivation to escape, scientists have found.

Carved into Iranian mountains, the village of Kandovan may be more than 700 years old. The energy-efficient homes draw tourists from around the world.

Electrical charges cause a chemical reaction that spurs growth in ailing coral.

Young chimps beat humans and even college students in a series of cognitive tests to measure short-term memory.

A dinosaur mummy found in North Dakota reveals astonishing new information about the size of the reptiles, their skin, and how quickly they moved.

A veterinary clinic in Hong Kong gives pet cats acupuncture—using the traditional treatment in conjunction with standard western medical approaches.

The intricately carved vase is giving experts a glimpse into ancient rituals that included food offerings, chocolate enemas, and hallucinations induced by vomiting.