Search Results | set theory

Your search for "set theory" returned 893 results

How Twins Work

science.howstuffworks.com/life/genetic/twin.htm

Twins are unique people who are also eerily similar to each other. Do twins really have ESP? Learn how twinning happens and what types of twins are out there.

How Competitive Eating Works

entertainment.howstuffworks.com/competitive-eating.htm

Competitive eating has gone from county fair exhibition to mainstream spectator sport. Learn about competitive eating and check out competitive eating records.

A Rule of Thumb Can Save You Tons of Time

people.howstuffworks.com/rule-of-thumb.htm

Let's talk about an expression you've probably heard before: "rule of thumb." This phrase is a handy way of saying, "Here's a general guideline that works in most cases."

Why Some People Faint When They See Blood

science.howstuffworks.com/life/inside-the-mind/human-brain/why-people-faint-sight-blood.htm

What's the science behind fainting at the sight of blood? This BrainStuff video takes a look at the brain's internal toggle switch making some people hit the floor.

Wallace's Giant Bee, World's Largest, Rediscovered

animals.howstuffworks.com/insects/wallaces-giant-bee-worlds-largest-rediscovered.htm

Wallace's giant bee, the world's largest, has been rediscovered. HowStuffWorks takes a look.

Why is it considered unlucky to leave a hat on the bed?

people.howstuffworks.com/unlucky-to-leave-hat-on-bed.htm

If you're one of the clueless citizens who's laid a hat on a bed, welcome to the club. Apparently, we've all doomed ourselves to evil spirits as guests. According to this superstition, anyway.

10 Real Events That Sound Just Like Horror Movies

history.howstuffworks.com/historical-events/10-real-events-like-horror-movies.htm

Real-life events are sometimes just as scary as horror films. Learn about 10 true horrors at HowStuffWorks.

How Career Tests Work

money.howstuffworks.com/business/professional-development/career-tests.htm

Career tests try to match you with a certain career. Visit HowStuffWorks to learn all about career tests.

Throughout History, Humanity Has Marveled at Solar Eclipses

history.howstuffworks.com/historical-events/historical-pictures-people-observing-solar-eclipses.htm

Check out this HowStuffWorks article and image gallery to see examples of people in the past watching and experiencing solar eclipses.

How Rail Guns Work

science.howstuffworks.com/rail-gun.htm

Rail guns leave gunpowder-based weapons in the dust (one can hit a target 250 miles away in six minutes). So why isn't the military using them? Find out how rail guns can be used and learn about the limitations of this technology.

271 - 280