Dr. Gunter Karsten is in top form, and though he dominates championships in Germany, he wants to make a splash at the World Championships in Bahrain. Find out how Gunter trains by practicing - and competing - with his wife.
British Memory Master Ben Pridmore walks through the technique he uses to memorize thousands of random numbers, creating mental images placed at set points, and then creating stories he can recall instantly.
Filmed 6/4/2011, tightrope walker Nik Wallenda and his mother Delilah walk the same wire that killed his great-grandfather Karl Wallenda in 1978. Tune in June 22 at 10pm E/P for more LIFE ON THE WIRE on Discovery Channel.
Rather than relying on classic 3-D tricks to make the audience jump, Avatar director James Cameron wanted to use the technology to give depth to the world he created. Jorge Ribas finds out how the camera works.
On Animal Planet's "Fooled by Nature," squirrels gather and bury acorns for the winter. They are equipped with an internal GPS system that allows them to locate their nuts months later even under a thick layer of snow.