Ask a Chemist: What would be worse, drinking ...

What exactly is a swamp cooler, and why can it beat the heat in Arizona but leave you sweaty and betrayed in Houston? How can an air conditioner run on water, what does humidity have to do with its effectiveness, and could an icy new invention help prevent overloaded power grids? ...  Show more

Could a cheaper, more environmentally friendly refrigerant already exist, and could corporate lobbying be helping keep it out of American air conditioners? Why did the chemicals once hailed as safe alternatives become environmental villains, and are their replacements actually mu ...  Show more

What is chemistry? Neil deGrasse Tyson and comedian Chuck Nice take fan questions on exothermic reactions, PFAS, ice cream, sugar, fire, and more with Kate Biberdorf, aka Kate the Chemist.

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: 

When you buy a gallon of bleach at the grocery store, what are you actually purchasing? Check out this HowStuffWorks podcast to learn more about bleach, chlorine and the chemical reactions behind these products.

Is chemistry truly everywhere? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice answer fan questions about chemistry with Kate Biberdorf, aka Kate the Chemist. Discover the chemical reactions that make our world work!

NOTE: StarTalk+ Patrons can w ...

Dr Chris, Dr Dave and Dr Phil answer all your questions on science, technology and medicine, including why spiders do not run out of silk, what the universe is expanding into, what a flame looks like in space, and what happens when the brain is cut off from a supply of oxygen. We ...  Show more