What is lightning?

How can the same element make both pencil lead and diamonds? This week we wrap up our pencil chemistry mini-series by answering a surprisingly tricky question: how do erasers actually erase? Then we dive into one of chemistry’s coolest ideas. Graphite and diamond are both made en ...  Show more

#158 Rebroadcast Gemstones come in all sorts of colors, but how do they get them? Are different stones super different at the molecular level? How do these different colors happen naturally? And how can those colors be replicated in lab-made gemstones? Let's get into it. Referenc ...  Show more

In episode 79, we learn about lightning and thunder.  What causes lightning?  How hot is lightning?  Can you have lightning without rain?  Can you have thunder without lightning?  Olivia interviews Greg, a meteorologist, to ask him some questions about lightning and thunder an ...

🌏 Get Our Exclusive NordVPN deal here ➼ https://nordvpn.com/stuartgary or use the checkout code STUARTGARY. It’s risk-free with Nord’s 30-day money-back guarantee! ✌

The Space Ne ...  Show more

Hochwasser gab es diesen Sommer in vielen Ländern: Griechenland, Libyen, China. Aber wie wahrscheinlich macht der Klimawandel Starkregen bei uns? Und wie hilft der Umbau zur Schwammstadt bei der Klimaanpassung? 

What is depression? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly break down the neuroscience behind major depression, its treatments, and the factors that contribute to this pervasive condition with neuroscientist Heather Berlin, PhD.

NOTE: StarTalk+ Pat ...