The Real Reason Humans Have Fingernails
Humans are the products of hundreds of millions of years of evolution, ditching the body parts we no longer need. Yet, mysteriously, we still have fingernails.
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Technology We Wouldn't Have Without The Space Race
NASA doesn't just design space suits and space shuttles to get men on the moon and into space. There are other technologies NASA has developed or perfected.
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Here's What Shooting Stars Are Actually Made Of
Although they're only visible occasionally, shooting stars bombard the Earth on a regular basis. But, what exactly are they and what are they comprised of?
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This Planet Has The Most Moons In The Entire Solar System
Saturn has a whopping 82 moons, but more are constantly being discovered. That makes it the planet with the most moons in the entire solar system.
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How The Hottest Planet In Our Solar System Still Has Ice Buildup
These frozen elements take on a unique quality: Venus, hottest planet in the solar system, has an atmospheric layer that evidently rains frozen carbon dioxide.
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You Have 94 Fewer Bones Than You Did As A Baby. Here's Why
Despite the fact that babies are, as a general rule, super, super small and adorable, they actually have a lot more bones than adults do: 300 of them in all.
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Why Science Can't Figure Out How Old Saturn's Rings Are
Humans have been observing Saturn for as long as we've been looking up at the night sky, as it's one of the five planets visible to the naked eye.
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Can Science Finally Explain Why Venus Has No Moons?
The two innermost planets of our solar system, Venus and Mercury, are famously devoid of moons. The astronomy community has been unclear as to why that is.
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Can Someone 3D Print Your Face Using Your DNA?
These were supposedly the faces of random, anonymous New Yorkers, which Dewey-Hagborg had generated from samples of DNA she gathered from discarded artifacts.
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Everything You Never Knew About Dancing Lemurs
Called "dancing lemurs" because of their unique sideways hopping gait, Beatrice and Elliott are the beginnings of a conservation breeding program in England.
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This Is How Heavy A Fluffy Cloud Can Really Be
You might want to revisit that idea that something you are talking about is "light as a cloud." Those white wisps of vapor weigh a bit more than a little mist.
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This Is What Would Happen To Earth If Humans Went Extinct
If you're a normal human being, you've no doubt thought about the end of the world from time to time -- or, more specifically, the end of the human race.
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Animals That Were Never Supposed To Be In The US
Some species have integrated into local environments but others cause havoc. Here are some animals that were never supposed to be in the U.S.
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This Is How Long It Would Take To Drive To Space
What if you could drive all the way to space? Of course, the very concept is impossible on multiple levels: roads don't go straight up, for example.
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Technology That Probably Won't Exist In 20 Years
But many of these technologies will be obsolete not in just a couple short decades. Here are technologies that probably won't exist in 20 years.
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Smartest Dog Breeds In The World
These are the smartest dog breeds in the world. Probably smarter than the average toddler.
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This Is What Happens Inside The Brain When You're Knocked Out
As anyone can say who has played a contact sport, been in an accident, or just happened to take a bad spill, being knocked unconscious is a scary thing.
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The Truth About The Asteroid Named After Aretha Franklin
The space rock's formal designation as an asteroid came in February 2010, and it was officially named after the "Queen of Soul," Aretha Franklin, in 2014.
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The Truth About The World's Fifth Official Ocean
If you'd asked National Geographic a week ago how many oceans there are, they would have told you "four." Now, that's changed. Introducing the Southern Ocean:
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Elon Musk's Crazy Real-Life Story
Where did a comic book character like Elon Musk come from? What's his story?
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Things Science Got Wrong About The Dinosaurs
When you're working with fossils that are millions of years old, you're bound to be wrong a few times. Here are things science got wrong about the dinosaurs.
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Here's What Really Happens To Your Body If You Live To 150
Just because you can do something doesn't necessarily mean that you should, and when it comes to living to 150, you probably don't actually want to.
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How This Man Earns A Salary From Apple Despite Doing Zero Work
It might seem insane that one Silicon Valley titan would brag about his $50 a week paycheck that comes from one of the wealthiest companies in the US.
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The Major Difference Between Male And Female Mosquitoes
Mosquitoes are one of the deadliest animals on the planet. They spread everything from malaria and dengue to yellow fever and the West Nile and Zika viruses.
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The Surprising Thing These Four Planets Have In Common
For thousands of years, humans had only a vague understanding of planets in the solar system, but now we know much more — including a quirk these planets share.
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Here's Why You Shouldn't Swallow Your Own Blood
Swallowing too much of your own blood can bother the stomach -- it might induce vomiting. Instead of making the situation better, this can worsen the bleeding.
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The Truth About The Rarest Blood Type In The World
There are four main blood groups — A, B, O, and AB — plus Rh factors that determine blood type. Yours is likely one of the most common — unless it's this one.
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