Dogs have a famously great sense of smell, but what makes their noses so much more powerful than ours? They're packing some sophisticated equipment inside that squishy schnozz.
A baby hairworm hitches a ride inside a cricket, feasting on its fat until the coiled-up parasite is ready to burst out. Then it hijacks the cricket's mind and compels it to head to water for a gruesome little swim.
It's an all-out brawl for prime beach real estate! These Caribbean crabs will tear each other limb from limb to get the best burrow. Luckily, they molt and regrow lost legs in a matter of weeks, and live to fight another day.
Their skeletons are prized by beachcombers, but sand dollars look way different in their lives beneath the waves. Covered in thousands of purple spines, they have a bizarre diet that helps them exploit the turbulent waters of the sandy sea floor.
Voracious, venomous and hella leggy, house centipedes are masterful predators with a knack for fancy footwork. But not all their legs are made for walking, they put some to work in other surprising ways.
Fluffy kittens chasing a ball are beyond adorable -- but they sure aren't born that way. Practically deaf and blind, in their first few weeks they need constant warmth and milk to survive. This is a huge challenge for animal shelters, so they're working with researchers on ways to help motherless kittens flourish.
Nudibranchs may look cute, squishy and defenseless ... but watch out. These brightly-colored sea slugs aren't above stealing weapons from their prey.
Pollinator. Mason. Jeweler. A female blue orchard bee is a multitasking master. She fashions exquisite nests out of mud and pollen that resemble pieces of jewelry. And in the process, she helps us grow nuts and fruits.
African elephants may have magnificent ears, but on the savanna, they communicate over vast distances by picking up underground signals with their sensitive, fatty feet.
Earwigs are equipped with some pretty imposing pincers on their rear, and they're not afraid to use them. But when it comes to these appendages, size isn't everything.
OK. Maybe you would. But the lengths they have to go to to stock up for the winter *will* surprise you. When you see how carefully they arrange each acorn, you might just need to reorganize your pantry.
Cone Snails have an arsenal of tools and weapons under their pretty shells. These reef-dwelling hunters nab their prey in microseconds, then slowly eat them alive.
They may be dressed in black, but crow funerals aren't the solemn events that we hold for our dead. These birds cause a ruckus around their fallen friend. Are they just scared, or is there something deeper going on?
The silent star of classic Westerns is a plant on a mission. It starts out green and full of life. It even grows flowers. But to reproduce effectively it needs to turn into a rolling brown skeleton.