10 Cold Cases That Are Still Baffling Us

Plus, these 6 nuts look really nutty, and this legendary chalk is beloved by mathematicians. 

Happy Saturday Have you ever heard that story about Teddy Roosevelt watching piranhas in the Amazon River strip a cow down to the bone in less than a minute? Turns out there's a little more to that anecdote than meets the eye, as you can read in our story.     10 Cold Cases That Are Totally Baffling You won't find Jimmy Hoffa or D.B. Cooper on here, but you will find, among others, an Australian prime minister and a famous British explorer whose crew mutinied and set him adrift on a small boat, never to be heard from again. Read more >> Yes, Steak Tartare Is Safe to Eat That said, there are still some important precautions to take before consuming it. Read more >> 19 Amazing Facts About the Canadian Provinces There's much more to Canada than poutine and mounties — though they're fascinating, too. Read more >> This Legendary Chalk Is Hoarded by Mathematicians Admit it: You're curious. So were we. Read more >> Why You Still Can't Make a Cellphone Call on a Flight After all, plenty of passengers forget to turn off their phones, and we don't see planes falling out of the sky. What gives? Read more >> It's Nuts How These 6 Nuts Look Before Processing Is that a cashew or an apple? Or a cashew apple? And how on Earth did we start eating cashews, considering that their double shell is full of acids and resins? It's a nutty story ... Read more >> Test Your Knowledge   If you've been reading our emails this week, you might get these questions right! White eggs get their color from artificial dye and are not laid by hens naturally. (Myth/Fact) Which country was the first to elect a female head of government? a) Israel b) Sri Lanka c) Iceland d) United Kingdom When it comes to classically "bound" books, the oldest book in existence is written in the lost Etruscan language and is around 2,500 years old. What were its pages made of? a) Stone b) Gold c) Paper d) Clay The saying "The opera ain't over 'til the fat lady sings," caught on after an American sportscaster said it during a basketball game in the '70s. (True/False) The current world record for holding a plank is 2 hours, 46 minutes, and 18 seconds. (True/False) In ancient Egypt, the process of preparing a body for mummification required specially trained priests with detailed knowledge of human anatomy. How long did this process typically take? a) 3-4 days b) 10 days c) 30 days d) 70 days 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