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Reactions is a show that uncovers the chemistry all around us. We answer the burning questions you’ve always wanted to ask, blending the worlds of science and every-day life.

Watch • 8:46
Reactions
Is Water Magnetic?
Is water bending real?
Episode: S11 E10 | 8:46
Watch • 11:15
Reactions
Liquid Marbles are the Coolest Scientific Breakthrough I've Made (So Far)
George tries to make a new discovery in a huge field of science... and he might have.
Episode: S11 E9 | 11:15
Watch • 12:00
Reactions
Exposing Fake Honey Using Carbon-13
This week Alex takes to the lab and investigates the stable isotopes in 20 different honeys.
Episode: S11 E8 | 12:00
Watch • 53:14
Austin City Limits
Austin City Limits Hall of Fame Honors My Morning Jacket
My Morning Jacket are inducted into the ACL Hall of Fame by Cameron Crowe in an epic hour.
Episode: S51 E5103 | 53:14
Watch • 54:40
FRONTLINE
The O.J. Verdict
Veteran FRONTLINE producer Ofra Bikel revisits the "perfect storm" that was the O.J. Simpson trial.
Episode: S2005 E11 | 54:40
Watch • 1:24:23
FRONTLINE
Born Poor
An indelible look at the realities of growing up poor in America.
Episode: S2025 E11 | 1:24:23
Watch • 12:40
Eons
The Golden Age of Sharks
Why did sharks get so incredibly diverse and odd during the Golden Age?
Episode: S8 E2 | 12:40
Watch • 19:01
PBS Space Time
At What Point Does Spacetime Become Quantum?
How to build a particle collider the size of the solar system.
Episode: S11 E12 | 19:01
Watch • 10:45
Eons
That Time Earth was Sticky
What exactly made this time period so very, very sticky?
Episode: S8 E1 | 10:45