Bonus: My girlfriend's sweat doesn't stink (a...

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 happens when a chemist ventures onto Reddit to answer the internet’s most pressing science questions? Why does carbon get its own entire branch of chemistry, what makes fireworks burn different colors, and can an invention work even when its inventor has no idea why? Melissa ...  Show more

Send us Fan MailOn today’s show we are going to answer questions about…Do allergens last through soap reactions?What is CBD doing in my adult product?Is this DIY Vitamin C recipe worth all the hype?Beauty Science NewsUnilever to axe petrochemicals from it’s entire cleaning rangeA ...  Show more

This week, could we colonise a planet beyond our own galaxy? What's the greenest way to heat my home? And why do bright lights make some people sneeze? It's QA time! Chris Smith is joined by a panel of scientists to take on the questions YOU'VE been sending in. Joining him are ch ...  Show more

Send us Fan MailOn today’s show we answer questions about:What is hexylresorcinol doing in your skin care?How should you treat highlighted hair that’s getting crispy?Can you use benzoyl peroxide on your underarms?What’s the deal with sunscreens, do they really stop working?Is it ...  Show more

Send us Fan MailOn today’s show Valerie and Perry answer questions about…Are glycols a problem in skincare?What is hypochlorous acid doing in skincare products?Is Argirelene botox in a bottle?Do we have thoughts on the brand KEEP ME ANCHORED?Beauty Science NewsAre shampoo bottles ...  Show more