Why Do People Have Butts?
The process of evolution has its quirks -- avocado pits, for one -- but you have to wonder why humans ended up like we did. What's up with butts?
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The Scariest Planets We've Discovered So Far
The night sky might look peaceful, but some of those planets house toxic atmospheres or burning ice. These are the scariest planets we've discovered so far.
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The Star Of Bethlehem Explained By Science
In the story of Christmas outlined in the Book of Matthew, three wise men follow a star in the eastern sky, first to Jerusalem and then to Bethlehem.
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We Are Less Than 50% Human. Here's Why
Believe or not, the make up of our cellular bodies concludes that we are less than 50% human. Here's why.
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The Theory That Humans And Machines Will Become One Explained
What makes a human being human? It's a question asked in speculative fiction, but also by political regimes. Science now expands -- or clouds -- the question.
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The Biggest Scientific Discoveries Of 2021
There was a lot of amazing research in 2021, way too much to put in one article, so this list includes the ones with the most "wow" power.
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Hawaii Does Get Snow. Here's Where
The popular image of Hawaii is that of a tropical paradise where the beaches are clogged with tourists escaping cold weather, but the state does get snow.
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The Real Life Plant That Inspired The Mandrakes In Harry Potter
While much of what happens involving mandrakes in Harry Potter is purely fictional, the shrieking mandrakes of Hogwarts have their roots in a very real plant.
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The Real Reason Viruses Mutate
As viruses spread, they mutate. While most adaptations are small and insignificant, some may make viruses more deadly, more transmissible, or more evasive.
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This Ancient Civilization's DNA Has Scientists Stunned
Where many ancient civilizations have left behind a decent amount of information on themselves, others have baffled archaeologists and historians.
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The Real Reason Bird Poop Is White
Whether from a human or canine or another creature, most poop is plainly not white. Except from birds. Which raises the question: Why is bird poop so special?
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How Much Does It Cost To Send A Rocket To Space?
Despite the "Star Trek" money-free future, the fact is that space travel has a price tag -- and it's not cheap. Which method is more cost-effective?
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The Alligator Species That's On The Brink Of Extinction
Unlike its counterparts, this alligator is under extreme threat of extinction in the wild, with a natural population of only a few hundred individuals.
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The Real Reason Turkey Makes You So Tired
Of course, toiling away before a hot stove isn't many people's idea of a good time but it's often how the holiday magic happens.
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How Much Does It Cost To Build A Space Rocket?
When it comes to the timeline of human history, space exploration has been a mere blip — and an expensive one, too. How much does it cost to make a rocket?
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The Largest Single Source Wildfire In California History
Massive wildfires have become a terrifying annual reality in North America the last few years. One specific California fire stands apart from the rest.
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What Eating Like Buddy The Elf Would Really Do To Your Body
Kids might dream of a land where the meals consisted of various forms of processed sugar. But as an adult? What if that's what you really relied on, food-wise?
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What Is A Lunar Eclipse?
What even is a lunar eclipse? Is it the same thing as a blood moon? Is it just a solar eclipse at night?
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Can The Mirny Diamond Mine Really Take Down A Plane?
Though the Mirny diamond mine isn't so infamous, this vast hole in the Earth has some frightening tales attributed to it as well.
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Animals Who Can Reproduce Asexually
It's not seen all that often, but a seemingly growing list of more complex animals can also make use of asexual reproduction. Here's just a few of them.
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How Old Your Cat Is In Human Years
How old is your cat, in human terms? There's a quick answer, but the correct answer is more complicated -- pretty much as complicated as your cat is.
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The Biological Origins Of Left-Handedness
The modern world is largely organized to the benefit of the right-handed. You have to ask: Why does left-handedness continue in the gene pool?
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The Controversial Theory That Suggests Free Will May Not Exist
Freedom: Is it a pre-schooler declaring "You're not the boss of me," or is it something more profound, especially in terms of free will -- or lack of it?
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12 Types Of Extinct Human Species And How They Differ
Modern humans are just the most recent of many other human species. Discover 12 types of extinct human species and how they differ from each other.
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Singapore Is Using Legos To Rebuild Their Coral Reefs. Here's How
Here's how Singapore is using Legos to rebuild their coral reefs, which are dying off due to climate change.
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What Dreams About Death Really Mean
The desire to understand dreams goes back as early as the ancient Mesopotamians, who believed that these nighttime unfoldings came from the gods.
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Why Do People Dream?
We've got psychoanalyst and chronic cigar smoker Sigmund Freud to thank for shifting the source of dreams from "gods" to the unconscious.
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