Plus, monkeypox, Olympic surfing and a sense of smell gone awry.

Happy Tuesday The Centers for Disease Control and Prevention says that more than 50 percent of all flood-related deaths involve drivers attempting to pass through moving water. Cars can get swept away by as little as 12 inches (30 centimeters) of flowing floodwater. Learn more about why flash floods are so darn dangerous here.     Chernobyl's Elephant's Foot Is a Toxic Mass of Corium Eight months after the April 1986 nuclear accident at Chernobyl, workers who entered a corridor beneath the damaged No. 4 reactor discovered a startling phenomenon: black lava that had flowed from the reactor core, as if it had been some sort of human-made volcano. One of those hardened masses was particularly startling. Read more >> What Are the Various Triathlon Distances? Just in time for the Olympics! Read more >> U.S. Sees First Case of Rare Monkeypox in 18 Years We break down what monkeypox is, how it spreads and how much risk it poses. Read more >> Surfing Makes Its Olympic Debut; Waves Should Be Epic Who's excited for the first time surfing will hit the Olympic stage?! Read more >> When Roses Smell Like Rotting Fish, That's Parosmia This disturbing distortion of smell is a condition called parosmia. And it can happen if you get COVID-19. Read more >> Go for Gold: The Olympics Quiz How much do you know about this storied gathering of the world's elite athletes? Take the quiz >> Q: What sound do you hate that doesn't seem to bother other people?   Big thanks to everyone who participated in last week's poll. You can check out the results below! This week we want to know what sound bothers you the most.  Reply to this email with your first name and answer so we can feature you in a future newsletter! The Results Are In ...   Despite all of the hype these days around space travel, it turns out that more people in the HowStuffWorks newsletter community would rather dive deep into the Mariana Trench than go on a space mission. Very neat! See you all next week for another poll.    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 1401 Main Street Venice, CA 90291 Want to change how you receive these promotional emails? You can update your preferences or unsubscribe from this list