biology
Here’s Why Most Animals Don’t Use Their Tails as Weapons

Humans tend to rely on crafted tools in order to harm one another, but most other species have evolved weapons right on their bodies. Normally, these bashers, spikes, and other instruments of attack appear on heads or limbs. But only rarely do they end up on tails—and scientists want to know why. Read More >>

science
Here’s How These Deafening Shrimp Evolved Their Own Deadly Sonic Weapon

There are some shrimp species equipped with truly remarkable weaponry. The pistol shrimp’s massive claw closes with a powerful snap—louder than a gunshot, at 210 decibels—temporarily creating an air bubble with so much energy that it pops with an underwater shock wave and a flash of light and heat temporarily hotter than 9,000 degrees Fahrenheit. The shrimp use this impressive weapon to stun and kill prey. Read More >>

science
Evidence of Pangea’s Breakup Found in Our Evolutionary History

Continents’ constant shifting is one of the first things you learn when you study the geologic history of Earth. South America fits into Africa like a puzzle piece, after all. Back 200 million years ago, everything was combined in a supercontinent called Pangea. Read More >>

science
480-Million-Year-Old Slug Looks Like a Horrifying Mutated Bathmat

480 million years ago, a slug-like ancestor of modern snails and clams had hundreds of tiny teeth, a body covered in prickly spines, and a built-in helmet. Called Calvapilosa, it’s one of the earliest — and weirdest — mollusks ever discovered. Read More >>

science
New Evidence Suggests That Human Limbs Evolved from Shark Gills

Over a century ago, scientists discarded a proposed theory that human limbs evolved from gills, given the lack of evidence in the fossil record. Now that theory is being revisited in light of new genetic results just published in the journal Development. Read More >>

health
The Totally Insane Way That Breast Milk Works

I know breast milk is good and all, but when I became a mum I was kinda shocked at how often it was cited as a cure-all for anything that ailed my newborn. That’s not just because of the nutritional value. It turns out my baby’s immune system is communicating with mine THROUGH MY NIPPLES. And now that I know how it works, I kid you not when I say I am staring down at my boobs in wonderment. Read More >>