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In Vivo vs. In Vitro Trials (and Why Combining Both Is Best)
science.howstuffworks.com/life/cellular-microscopic/in-vivo-vs-in-vitro.htm
In scientific research, knowing the difference between in vivo vs. in vitro methods is essential for interpreting results and designing new experiments. These two approaches help researchers understand complex biological phenomena and advance medical knowledge in very different ways.
Bayes' Theorem Helps Us Nail Down Probabilities
science.howstuffworks.com/math-concepts/bayes-theorem.htm
Bayes' theorem describes the probability of an event, based on prior knowledge of conditions that might be related to the event. Sounds intimidating, but we'll walk you through it.
The Ultimate Superhero Quiz
play.howstuffworks.com/quiz/superhero-quiz
This quiz is able to leap tall buildings in a single bound. Bullets ricochet off its chest (although it ducks when the emptied gun is thrown at it). Test your knowledge of superhuman ability while we stretch your brain to the limits. Pow! Kunk! Whap!
The Harry and Meghan Quiz
play.howstuffworks.com/quiz/the-harry-and-meghan-quiz
Since first appearing together in 2017, the world hasn't been able to get enough of Harry and Meghan. How much do you know about them, though? Put your royal knowledge to the test and find out if you're their biggest fan!
How Well Do You Remember the 2000s?
play.howstuffworks.com/quiz/how-well-do-you-remember-the-2000s
Did you spend your nights taking care of your Neopets? Remember who Facebook was actually created for? When did the King of Pop pass away? Test your knowledge about one of the most memorable decades of recorded history, the 2000s!
How Well Do You Remember the 2000s?
play.howstuffworks.com/quiz/how-well-do-you-remember-the-2000s-1
Did you spend your nights taking care of your Neopets? Remember who Facebook was actually created for? When did the King of Pop pass away? Test your knowledge about one of the most memorable decades of recorded history, the 2000s!
Can You Answer These Progressively Harder Engine Questions?
play.howstuffworks.com/quiz/can-you-answer-these-progressively-harder-engine-questions
Think you can get a perfect score on this engine quiz? You might after the first few questions, but as this quiz goes on, you'll find yourself put to the test - literally! This quiz goes from the bunny slope to the black diamond ski run.
What happens to chimps used in medical research?
animals.howstuffworks.com/mammals/chimpanzee-research.htm
Chimpanzee research dates back to the 1920s with Robert Yerkes. Learn what happens in chimpanzee research and why some countries ban the practice.
How to Pass a Breathalyzer: Can a Penny Help?
So you've been pulled over by the police, and they've put a breathalyzer in your face. You've heard urban legends that address how to pass a breathalyzer, but are any of them true? Find out right now!
Are chest X-rays required for cystic fibrosis?
Learn more about chest X-rays for cystic fibrosis from this article. Visit HowStuffWorks to learn are chest x-rays required for cystic fibrosis.