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How do humans age in space?

science.howstuffworks.com/humans-age-in-space.htm

Do humans age in space differently than here on Earth? Find out how humans age in space in this article from HowStuffWorks.

Will there ever be a "happy pill"?

science.howstuffworks.com/life/happy-pill.htm

What constitutes happiness? Is it the absence of pain or an abundance of pleasure? It is simply a fortunate function of the brain? If it's the latter, then we should be able to manipulate it -- perhaps in the form of a "happy pill." It may surprise you, then, to learn that we already have one.

Saharan Dust: The Good, the Bad and the Gritty

science.howstuffworks.com/life/cellular-microscopic/saharan-dust-good-bad-and-gritty.htm

Dust from the Sahara makes its way around the world with both positive and not-so-positive consequences.

Who's in Charge of Investigating Deaths in Antarctica?

people.howstuffworks.com/whos-charge-investigating-deaths-antarctica.htm

Jurisdiction over criminal matters in Antarctica could be a complicated thing. HowStuffWorks explains why.

Experts Find There Are Four Giraffe Species. Can You Tell Them Apart?

animals.howstuffworks.com/mammals/experts-find-there-are-four-not-one-species-giraffe-what-took-long.htm

Experts have learned there are four species of giraffe, not just one. HowStuffWorks Now finds out why no one noticed before.

Big Money, Big Money: Flashing Lights, Music Can Turn Rats Into Problem Gamblers

entertainment.howstuffworks.com/flashing-lights-music-can-turn-rats-problem-gamblers.htm

A study showed flashing lights and loud music made rats take more gambling risks. HowStuffWorks Now investigates why.

New Human Highway 'Organ' Identified

health.howstuffworks.com/human-body/parts/new-human-highway-organ-identified.htm

Scientists have discovered what they are calling a new organ. HowStuffWorks takes a look at the science.

A Breathalyzer for Drugs? We're Not There Yet

electronics.howstuffworks.com/gadgets/automotive/breathalyzer-drugs-not-there-yet.htm

It's a lot harder to develop a breath test for marijuana and opioids than it is for alcohol. HowStuffWorks explains why.

How can I find out if I have unknown relatives?

people.howstuffworks.com/culture-traditions/genealogy/find-out-about-unknown-relatives.htm

Wondering about your unknown relatives or need help wit your family tree? Find out how you can use technology to track down your unknown relatives.

Can I get cancer from eating tofu?

health.howstuffworks.com/wellness/food-nutrition/facts/can-i-get-cancer-from-eating-tofu.htm

Soy has become popular over the last few years, but should we watch out? Learn if you can really get cancer from tofu at HowStuffWorks.

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