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Why Are Humans Ticklish?
Chimps also seem to enjoy being tickled. Rats, too.
EVOLUTION
A Puppet Drama About Charles Darwin Is Coming to London's Natural History Museum
The museum has one of the largest Darwin-related collections in the world, including some of the specimens he brought back from his voyage on the HMS Beagle.
Homo Erectus Might Have Been Really 'Lazy'
All that stood between them and better stone tools was a little hill. And yet.
This Scientist's Idea of the 'Perfect' Human Body Is Kind of Terrifying
Perhaps most disturbing of all is the baby head poking out of the sculpture’s marsupial pouch.
Scientists Accidentally Make Plastic-Eating Bacteria Even More Efficient
The enzyme has the potential to be improved even further.
An 88,000-Year-Old Middle Finger May Change What We Know About Human Migration
Humans may have left Africa sooner than we thought.
What Is a Scientific Theory?
A theory in science is very different from a theory in everyday conversation.
Why Does My Skin Wrinkle in Water?
Have you ever noticed that your fingers and toes get wrinkled when you’ve been soaking in water for a while?
The Most Complete Fossil of an Early Human Relative Goes on Display
Ninety percent of Little Foot's skeleton has been recovered.
Scientists Find a 245-Million-Year-Old Horseshoe Crab Fossil That Resembles Darth Vader
They named it <em>Vaderlimulus tricki</em>.
Scientists Unearth a Giraffe Ancestor That Had Four Horns Instead of Two
The discovery sheds new light on the history of the Giraffidae family.
8 Little Known Facts About the Temple
It's the thinnest part of the skull … which is why Maori warriors crafted a special weapon to crush it.
Why Are Lemurs So Weird? Maybe Because They Don't Eat Enough Fruit
Almost all primates eat fruit, even if it's just a little. A lack of it might be the reason why lemurs exhibit un-primate-like behavior like hibernating.
Fright Fest: The Science Behind Why We Love to Be Scared
Take a deep dive into our darkest impulses to find out why humans love watching horror movies, enduring scream-worthy haunted houses, and otherwise getting scared out of our minds.
Why Do Female Spotted Hyenas Give Birth Through Their Pseudo-Penises?
The better question is, are you sure you really want to know the answer?
The Science Behind the Urge to Cuddle Cute Babies
It comes down to something called kinderschema.
Meteorites Splashing Into 'Warm Little Ponds' May Have Sparked Life on Earth
A new study supports a theory first proposed by Charles Darwin.
After Years of Searching, Scientists Finally Found This Coconut-Cracking Giant Rat
The vika is the subject of folk songs and nursery rhymes, but scientists had never found a real specimen before.
How Plants Fight Back Against Predators
Unable to run away, plants have developed some vicious defense mechanisms.
How Just One Nasty Winter Forced This Lizard to Evolve
"Selection always comes at a cost, which is death, basically."
Scientists Think They Know What Causes Trypophobia
Warning: We cropped most of the holes from the honeycomb image, but the story contains a photo of a dried lotus seed pod.
Scientists Study the Starling Invasion Unleashed on America by a Shakespeare Fan
One hundred European starlings released in Central Park in 1890 have turned into 200 million across the U.S. today. Now scientists are looking into their genetic diversity.
Does Evolution Explain Why Our Sleep Habits Change With Age?
According to a recent study, naturally staggered sleep schedules means that someone is always awake and vigilant.
Mass Extinction That Killed the Dinosaurs Also Led to 'Explosive Radiations of Frogs'
Ninety percent of frogs alive today descend from just three lineages that survived the extinction 66 million years ago.