Tory & Kari examine how drop rides are designed to exploit riders’ natural fear of falling. The two use themselve...

Kari & Tory conduct a battle of the sexes to determine which gender handles the rush of extreme thrills better. T...

Tory experiments with Kari senses as she rides Colorado's Glenwood Canyon Flyer ride, which swings riders over a 1,30...

Tory and Kari use accelerometers and state-of-the-art eye-tracking equipment to determine the best place seat on a ro...

Tory and Kari are on a scientific quest to find out if there really is such a thing as an adrenaline junkie.

Tory and Kari step aboard an epic coaster at Six Flags Magic Mountain in Valencia, California called Apocalypse to se...

Tory & Kari set up shop trackside at Sonoma Raceway in Sonoma, CA, where Tory enrolls in racing school at Simrace...

Kari heads to Wet 'N' Wild in Palm Springs, CA to learn the science behind waterslides.

Kari & Tory climb aboard specially outfitted acrobatic aircrafts to test how intense g force conditions affect a ...

Kari & Tory ride down a bobsled 60 mph around dangerous curves at Lake Placid, NY, a training ground for Olympian...

Kari & Tory travel across the US, exploring the fun of fear as they enter two of the country's most notorious hau...