20 Things You Didn't Know
Factoids, nuggets, and tidbits on the topics you always wondered about.
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20 Things You Didn't Know About... Carnivorous Plants
8/27/2015 — By Gemma Tarlach
The roughly 600 species of carnivorous plants have evolved some ingenious strategies to capture their prey.
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20 Things You Didn't Know About... the Human Voice
7/23/2015 — By Jim Sullivan
Think "anemone" and "Worcestershire" are mouthfuls to say? Try your tongue at speaking !Xóõ.
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20 Things You Didn't Know About... Sweat
5/28/2015 — By Jessica Festa
Your health, feelings and diet can change your sweat composition — but your unique sweat fingerprint is distinctly yours.
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20 Things You Didn't Know About... Testosterone
4/30/2015 — By Leah Shaffer
The manly hormone evolved 500 million years ago — from estrogen.
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20 Things You Didn't Know About... Immortality
4/2/2015 — By Grace Halden
Humans continue to seek after it, but other life forms have already achieved it.
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20 Things You Didn't Know About... Dust
2/26/2015 — By Elizabeth Preston
Dust is so much more than a mess to clean up before the in-laws arrive.
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20 Things You Didn't Know About... Nuclear Accidents
1/22/2015 — By Kristen Pope
Nuclear meltdowns have both harmed and benefited wildlife in contamination zones.
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20 Things You Didn't Know About... the North Pole
10/30/2014 — By Gemma Tarlach
For starters, which one? There are four North Poles.
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20 Things You Didn't Know About... Galaxies
10/2/2014 — By Katherine Kornei
The Milky Way rotates at 560,000 miles per hour, and makes a full revolution every 200 million years.
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20 Things You Didn't Know About... Blood
8/28/2014 — By Veronique Greenwood
Blood types aren't unique to humans: Dogs have more than a dozen.
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20 Things You Didnt Know About... Cats
8/1/2014 — By Gemma Tarlach
Where to begin? Our relationship with our feline friends goes back some 9,500 years!
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20 Things You Didn't Know About... Noise
5/23/2014 — By Jonathon Keats
Did you know the Big Bang was noiseless?
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20 Things You Didn't Know About... Animal Senses
4/30/2014 — By Molly Loomis
From super-sniffers to electricity detectors, animals have an array of impressive sensory capabilities.
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20 Things You Didn't Know About... Hoaxes
3/28/2014 — By Jonathon Keats
April Fools' Day started with Julius Caesar, and 19 other things you didn't know about hoaxes. But be careful: don't believe everything you read...
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20 Things You Didn't Know About... 3-D Printing
2/26/2014 — By Christian Millman
3-D printing is all the hype these days, but there's a lot about the technology that you don't know.
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20 Things You Didn't Know About... Neanderthals
11/21/2013 — By Jonathon Keats
The hominids are depicted as degenerate and slouching because the first Neanderthal skeleton found happened to be arthritic.
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20 Things You Didn't Know About... Hunger
10/16/2013 — By Tasha Eichenseher
Get the skinny on why tummies rumble and how we might feed the world.
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20 Things You Didn't Know About... Superstition
9/19/2013 — By Rebecca Coffey
Knock on wood or not, superstition appears to have played a positive role in evolution and it continues to affect human behavior. Lucky us.
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20 Things You Didn't Know About... Failure
8/16/2013 — By Jonathon Keats
Next time you see the F-word, remember you're in good company.
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20 Things You Didn't Know About... Gravity
7/19/2013 — By Bill Andrews
The apple of Newton's eye and the focus of Einstein's work, gravity is weaker than you probably think and weirder than you probably imagined.
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