Hot-Air Balloons; Hearing; Side Stitch Chat; Beluga Whales

30 min

Fire; Artificial Heart; Penguins

30 min

Lie Detector; Golf Balls; Hiccup Chat; Cold Remedies

30 min

Imploding Buildings; Snoring; Stomach Growl Chat; Walrus

30 min

Computer Graphics; Smell; Tarantula Chat; Inventors Fair

30 min

Pain; Optical Illusions; Wine Glass Sing Chat; Iguana

30 min

Electricity; Vision; Tennis Elbow Chat; Bubbles

30 min

Thermography; Voice; Yawn Chat; Pronghorn

30 min

Car Crash; Allergies; Blush Chat; Reindeer

30 min

Sports Clinics; Radioactivity; Acne Chat; Baby Tigers

30 min

Space Shuttle

30 min

Balance; Cooking; Scientists Disagree; Eagle

30 min