Plus, chutzpah and the whitest paint ever. 

Happy Saturday While his crewmates became the first humans to set foot on the moon, he quietly manned the command module, orbiting Earth's trusty satellite. Who was this astronaut, who also passed away this week at the age of 90? Check out this story to find out. How Spontaneous Human Combustion Works Can we humans burst into flames spontaneously? It's a strange idea for sure, but is it a scientifically sound one? Read more >> What Do Your COVID-19 Vaccine Side Effects Tell You? Is there any link between what you can notice after a vaccine and what's happening on the cellular level inside your body? A doctor explains. Read more >> Who Is Alexei Navalny? He's been poisoned and imprisoned. He waged a weeks-long hunger strike, yet this Russian opposition leader keeps on ticking. Read more >> Some Nerve! Chutzpah Explained This word should be in everyone's Yiddish arsenal it's that good. Read more >> Biden Proposes Big Capital Gains Tax Hike Could that tax increase affect you? Read more >> The Whitest Paint Ever Produced Could Save Energy, Fight Climate Change Having roofs that reflect solary energy back into the sky instead of absorbing it could be pretty useful. And the whitest paint ever created could help them do exactly that. Read more >> Test Your Knowledge   If you've been reading our emails this week, you might get these questions right! True or false: A federal ban exists in the United States that prevents slaughtering horses for human consumption. The "biggest art heist in history" occurred at the Isabella Stewart Gardner Museum in 1990 and involved two Rembrandt paintings, a Vermeer, a Manet and five Degas drawings, among a few others. What's the reward for providing information leading to the recovery of the stolen work? a) $50,000 b) $200,000 c) $1 million d) $10 million What country eats the most sweets per capita in the world? a) France b) Sweden c) United States d) Belgium What animal holds the world record for having the most names? a) Cougar b) Donkey c) Gorilla d) Mallard True or false: Hornets and wasps diverged around 40 million years ago on the evolutionary tree, and represent very distinct groups of species. Check Your Answers Copyright © 2021 HowStuffWorks, All rights reserved. You are receiving this email because you opted in at our website howstuffworks.com Our mailing address is: HowStuffWorks 1501 Main St Suite 101 Venice, CA 90291 Want to change how you receive these promotional emails? You can update your preferences or unsubscribe from this list