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How Light Emitting Diodes (LEDs) Work
electronics.howstuffworks.com/led.htm
Light emitting diodes form numbers on digital clocks, send data from remote controls and illuminate watches - the simple genius of the design makes it infinitely applicable. And now, LEDs are affordable.
Ultra-processed Foods Are Addictive by Same Criteria as Tobacco
health.howstuffworks.com/mental-health/ultra-processed-foods-news.htm
Can ultra-processed foods really be considered addictive? Or are people just overindulging in foods that they like?
What Happened to Oppenheimer After World War II?
history.howstuffworks.com/historical-figures/what-happened-to-oppenheimer.htm
Oppenheimer's legacy is as complex as the quantum mechanics and theoretical physics that dominated his mind and shaped his life.
The Biggest Frog in the World (Plus 11 Massive Contenders)
animals.howstuffworks.com/amphibians/biggest-frog-in-the-world.htm
You might think frogs are small, croaky critters, but the biggest frog in the world could surprise you. Some amphibians grow to sizes that rival house pets. In this list, we're leaping into the world of giant frogs, examining the species that top the charts in length and weight.
A Guide to Botanicals for Seniors
health.howstuffworks.com/wellness/food-nutrition/vitamin-supplements/botanicals-seniors.htm
Botanicals have been receiving a lot of press lately, but they can be dangerous. Learn about the safety of botanicals for seniors.
Dogs Make More Expressive Faces When Humans Are Watching
animals.howstuffworks.com/pets/dogs-make-more-expressive-faces-when-we-watch.htm
A study suggests your canine may be flashing those puppy dog eyes because it's trying to tell you something.
How Pet Psychics Work
science.howstuffworks.com/science-vs-myth/unexplained-phenomena/pet-psychic.htm
If you have pets, you may have wondered whether they know what you're thinking. Learn what pet psychics claim that they can do.
What Is Whiskey Fungus and Is it Dangerous?
science.howstuffworks.com/life/biology-fields/whiskey-fungus.htm
Distilleries call this evaporative substance "angel's share" and promise that it's not dangerous, but nearby residents find it coating everything around them and aren't so sure.
The Flower Identification Quiz
play.howstuffworks.com/quiz/the-flower-identification-quiz
Flowers are one of the few things in this world that can convey hundreds of feelings. But while you may know what they mean, do you know what they are called? Find out if you can correctly identify all the flowers in this quiz!
Can optimism make you healthier?
health.howstuffworks.com/mental-health/human-nature/perception/can-optimism-make-you-healthier.htm
Optimism is a nice trait to have. But can optimism make you healthier as it helps you look on the bright side? Find out at HowStuffWorks.