Emmy-winning host Bill Nye brings experts and famous guests to his lab for a talk show exploring scientific issues that touch our lives.

Earth Is a Hot Mess 31m Bill calls out climate change deniers, breaks down the science of global warming and explains how we can make the planet a cooler place to live.

Tune Your Quack-o-Meter 32m Bill and his panel of experts debunk bogus alternative remedies like homeopathy, the healing power of magnets ... and curing cancer by yelling at it.

Machines Take Over the World 28m From robots that paint Rembrandts to Twitterbots gone rogue, Bill and his guests explore the potential and pitfalls of artificial intelligence.

More Food, Less Hype 27m Bill extracts DNA from a strawberry in the lab and talks about genetically modified foods with a Monsanto executive, a professor and a farmer.

The Original Martian Invasion 28m Bill introduces the theory of panspermia, NASA scientists discuss the Mars 2020 mission, and Wil Wheaton and the panel ponder life on other planets.

Do Some Shots, Save the World 27m With help from some friends in raincoats and a room full of unemployed germs, Bill demonstrates how vaccines work and why everyone needs to get them.

Cheat Codes for Reality 31m Bill and his correspondents check out video game technology that's changing the world, including a game that helps surgeons sharpen their skills.

This Diet Is Bananas 27m What's in a calorie? Bill flambés a marshmallow in the name of science, experts weigh in on fad diets, and singing kale keeps it real about nutrition.

The Sexual Spectrum 26m Sex is complex! Bill explores the ever-evolving science of sexuality with help from a panel of experts and "Crazy Ex-Girlfriend" star Rachel Bloom.

Saving the World -- with Space! 28m Bill and the panel discuss private space travel. Mean astronaut Joel McHale answers questions, and lunar gravity gives a young basketballer a boost.

Malarkey! 25m Chemtrails. Crop circles. Palm readers. Bill takes aim at pseudoscience and explains how confirmation bias makes us believe things that aren't true.

Designer Babies 29m Bill explores advances in IVF that are helping couples have healthy babies. "Project Runway" star Tim Gunn hosts a special fashion show in the lab.