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Three Famous Hypotheses and How They Were Tested
science.howstuffworks.com/innovation/scientific-experiments/hypothesis.htm
From Isaac Newton to Ivan Pavlov, scientists have developed and tested hypotheses through carefully crafted experiments for centuries. Here are three groundbreaking hypotheses and the predictions they tested.
The Story of Eric Rudolph, the Real 1996 Olympic Park Bomber
history.howstuffworks.com/historical-figures/eric-rudolph.htm
Eric Rudolph evaded the FBI for seven years, after planting bombs in Atlanta and Birmingham, Alabama. HowStuffWorks looks at what drove him to kill.
The Seahorse Is a Romantic, Slow-swimming Fish
animals.howstuffworks.com/marine-life/seahorses.htm
Dwindling natural habitats are causing a significant decline in certain seahorse species. To bolster populations, researchers in Australia are building seahorse hotels and leaving the lights on.
The Defense Production Act Was Designed for Emergencies Like Coronavirus
people.howstuffworks.com/defense-production-act.htm
President Truman signed it into law in 1950 and it's been invoked many times since. Should President Donald Trump use it to help health care workers?
Why are some people early birds and others are night owls?
health.howstuffworks.com/mental-health/sleep/basics/early-birds-and-night-owls.htm
Some people are early birds while others are clearly night owls. But why is that? Learn about the science behind early birds and night owls.
Does Your Body Really Replace Itself Every Seven Years?
science.howstuffworks.com/life/cellular-microscopic/does-body-really-replace-seven-years.htm
Your body replaces billions (with a b!) of cells every day. In about 100 days, 30 trillion be replaced, but does that mean you're a new person, too?
Can You Answer These Basic Questions About Firearms?
play.howstuffworks.com/quiz/can-you-answer-these-basic-questions-about-firearms
When it comes to firearms, it's important to know as much as you can. Do you think you can answer these basic questions about them? Here's your chance to find out!
Can You Guess the Famous Commercial From a Quote?
play.howstuffworks.com/quiz/can-you-guess-the-famous-commercial-from-a-quote
Do you know which cereal goes "Snap! Crackle! Pop!"? What about which coffee brand America runs on? If you're an expert on commercials, you'll find that this quiz is good to the last drop!
Our Most Difficult Knowledge Quiz
play.howstuffworks.com/quiz/our-most-difficult-knowledge-quiz
Stop yelling at the screen during "Jeopardy" and try a *real* killer knowledge quiz, smart guy! (Or smart gal). We'll put your brain through its paces, we promise!
NASA's DART Crashes Into an Asteroid, On Purpose
science.howstuffworks.com/dart-nasas-asteroid-redirecting-mission-news.htm
NASA's DART spacecraft hit its mark Monday, Sept. 26 after years of planning. The bullseye was asteroid Dimorphos. Here's what NASA hopes to learn now.