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© Brian Cahn/ZUMA Press/Corbis How PEZ Works

PEZ began in Vienna as a mint meant to help people quit smoking. But once American kids got ahold of it, the candy took off and a symbol of childhood – and healthy secondary market among collectors – was born.

Thomas Northcut/Thinkstock Chuck and Josh Make It Through Female Puberty

In part two of the SYSK puberty saga, Josh and Chuck venture into new territory as they explore all of the amazing changes girls face when they come of age.

geothermal_600x350 Geothermal Energy: Earth’s Gift to Mankind

Green energy is good for all, and it doesn't get much greener than using the Earth's own heat to warm your home or office. Learn all about geothermal energy in today's new episode.

cultdeprogramming600x350 How Cult Deprogramming Worked

The fear of cults in the 1970s drove Americans to look the other way on kidnappings, abuse and torture of cult members by deprogrammers – but did it even work?

Ihar Byshniou/Thinkstock The Great Nuclear Winter Debate of 1983

At the height of the Cold War, a group of concerned scientists promoted their findings on the horrific aftereffects of nuclear war and were accused of fearmongering. But were they right after all?

publicist600x350 How Publicists Work

Some people call them flacks. Other people call them liars. But if you’re in the public eye and suddenly have an image problem, you’ll call them your best friend.

chilipeppers600x350 How Chili Peppers Work

Born and raised in South America, chilis were the earliest crop domesticated in the continent and among the first items brought back to Europe by Columbus. Today people are really, really into them.

Ryhor Bruyeu/Thinkstock How Police Dogs Work

Police dogs have been used since the 19th century - one WWI German defector became a major movie star. But in the US the post-9/11 era has seen a K9 unit boom and questions and concerns have increased as well.

alcoholism600x350 How Alcoholism Works

In the US, 17 million people are alcoholics. Not merely abusing alcohol, these sufferers become physically dependent on it, forming a chronic disease. Learn about the effects on the body, the brain, and the life of an alcoholic and ways to get help.

donatebody600x350 How to Donate Your Body to Science

Donating your whole body to further science and medicine is probably the best thing you could do with your corpse. Which is why the industry that handles those gifts need regulating.

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