Bill calls out climate change deniers, breaks down the science of global warming and explains how we...

Bill and his panel of experts debunk bogus alternative remedies like homeopathy, the healing power o...

From robots that paint Rembrandts to Twitterbots gone rogue, Bill and his guests explore the potenti...

Bill extracts DNA from a strawberry in the lab and talks about genetically modified foods with a Mon...

Bill introduces the theory of panspermia, NASA scientists discuss the Mars 2020 mission, and Wil Whe...

With help from some friends in raincoats and a room full of unemployed germs, Bill demonstrates how...

Bill and his correspondents check out video game technology that's changing the world, including a g...

What's in a calorie? Bill flambés a marshmallow in the name of science, experts weigh in on fad diet...

Sex is complex! Bill explores the ever-evolving science of sexuality with help from a panel of exper...

Bill and the panel discuss private space travel. Mean astronaut Joel McHale answers questions, and l...

Chemtrails. Crop circles. Palm readers. Bill takes aim at pseudoscience and explains how confirmatio...

Bill explores advances in IVF that are helping couples have healthy babies. "Project Runway" star Ti...

Bill and his guests talk about tackling overpopulation by empowering women. Comedian Joanna Hausmann...

Bill visits a cannabis dispensary in Hollywood and takes a trip through hemp history. Kevin Smith an...

From phishing to malware, Bill uncovers the scams that steal our data. Steve-O talks about the time...

In search of better sleep, correspondents seek out NASA scientists and a professional cuddler. Bill...

Bill spreads bad news about antibiotic-resistant gonorrhea and other superbugs. Comedian Ali Wong st...

OK Go and Drew Carey help Bill explain extinction, and the panel reveals how scientists could one da...

Bill breaks down the science of time travel with guests Zach Braff, retired astronaut Scott Kelly an...

As Bill breaks down the science of aging, his correspondents try bizarre beauty treatments and learn...

Derek Muller discovers why Mexico City is sinking, Nazeem Hussain tests his desert survival skills,...

Bill explains how addiction changes the brain, comedian Maria Bamford shares her struggles, and Cara...

Karlie Kloss tours Japanese farms that grow produce without soil to save water and space. Back in th...

In London, mutated mosquitos make a meal of Derek Muller. Comedian Paul F. Tompkins helps Bill burst...

Do dogs get depressed? Do monkeys like magic tricks? Bill and his guests explore animal behavior tha...