Reactions
Why Norway's Osmosis Power Plant Failed
George tries to make electricity using dialysis tubing, toilet parts, and a baby turbine.
Latest in
Season 11
Sponsorship
Finding Your Roots
Finding My Roots
Family mysteries are solved for actor Laurence Fishburne & scholar Henry Louis Gates, Jr.
Finding Your Roots
Moving On Up
Henry Louis Gates, Jr. maps the roots of actor Sheryl Lee Ralph & historian Lonnie Bunch.
Reactions
Hot Water Freezes Either Faster or Slower Than Cold Water
Alex wonders what happens when hot water freezes quicker than room temperature water?
Deep Look
5 of the Grossest House Pests We’ve Ever Filmed
We hope your spring cleaning doesn’t uncover these house pests!