
Testers
Why do mosquitoes prefer to bite some people over others? What happens to the body when it faces extreme cold? What is best to lower body temperature, cold or hot beverages? Why does it hurt so much to get pricked with a needle? Rafael Cortez will be our guide in this scientific quest to answer these questions, with five guinea pig testers who will participate in fun experiments.
Where to Watch
No US streaming subscription carries this title right now.
Episodes
Loading episodes…
Top Cast
More Like This

Survivorman

Paranormal Caught on Camera

Beyond Belief: Fact or Fiction

Mountain Men

Life Below Zero

Beyond Skinwalker Ranch

The Secret of Skinwalker Ranch

Dallas Cowboys Cheerleaders: Making the Team

Top Gear

Destination Fear

Down to Earth with Zac Efron

Limitless with Chris Hemsworth

16 and Pregnant

History's Greatest Mysteries

The Story of God with Morgan Freeman

Long Way Round

Nature's Great Events

Somebody Feed Phil

Super/Natural

Starting 5

