Brady heads into the bush and measures each animals' power, and witnesses firsthand the differences in their methods of attack.

Get up close and personal with the needle toothed gar alligator.

Building implosions have become the spectator sport of the modern age -- it's no wonder they also set world records. The implosi

To the human eye Lion Fish are flamboyant but practically invisible to small fish.

Diego visits a hair salon at night and finds out how young women in Iran feel about wearing the veil.

A scan reveals the effects of living in the wild to a child's brain.

Building implosions have become the spectator sport of the modern age -- it's no wonder they also set world records. The implosi

Gyms are seeing a significant increase in memberships as men flock to gain muscle in hopes of getting a well-paying job in secur

Caught in the Act reveals some of the most incredible and disturbing animal acts ever captured on film.

A wood-powered pick-up truck takes to the streets of London with modern-day activists, Trees for Cities.

Marsh Mokhtari must avoid violent Columbian guerrilla fighters en route to Panamas legendary Darien Gap.

Top scientists hope to record the breeding and calving grounds of the biggest mammals in the sea, the Blue Whale.

Male crabs wave their huge claws back and forth, desperately trying to attract a female.

Brady creates different protective wear for various encounters with wildlife and tests firsthand the effectiveness of his gear.

Emiliano Zapata was a fierce advocate of returning the land to it's native people in Mexico.

Crocodiles surround this beautiful island. Dr. Brady Barr and the University of Florida teach some capture techniques.

An exclusive look inside the Wanpaku Sumo championships. This event attracts 55,000 teenage hopefuls.

The Philippine Tasia, a lone assassin, is not what you would expect a killer to look.

Bondi's finest lifeguards practice their mouth-to-mouth skills on the seasons first arrivals.

If a child is removed from its parents and comforts of home, could it survive?

Contemporary scholars investigate huge geometric markings made by the Nasca people 2,000 years ago on Peru's dry pampa.

After eight years, three children, and 11 cows, Robert and Thobile are finally to be married in traditional Zulu style.

Crocodiles surround this beautiful island. Dr. Brady Barr and the University of Florida teach some capture techniques.

A shark expert and a team of anglers unmask the mysteries of the great whites using advanced tracking devices.

If there is no smoke without fire, can there be lightning without thunder?