Think about how tiny its brain and stomach and heart must be!

One of the smallest geckos in the world, Sphaerodactylus nicholsi.

The bizarre helmeted hornbill is the only bird of its kind with a solid head 'casque', or helmet. They use these bony features to battle each other - ramming their heads together, in mid-air, for up to two hours at a time.

Meet the common spotted cuscus from Cape York in Australia and Papua New Guinea. To hide their golden coats from predators while they're sleeping in the trees, they curl leaves around their bodies like a blanket.

Europa, a moon of Jupiter, is a prime candidate for life in our solar system beyond Earth. It contains water and is also the only known solar system body to have plate tectonics.

Right now, people with pacemakers need to go into surgery every time the battery dies. But this new pacemaker is based on the mechanics of a self-winding wristwatch, drawing all its power from the patient's beating heart.

A new robotic 'smart suit' has been developed by FastCompany to give anyone from soldiers and fire-fighters to hiking enthusiasts and the elderly a bit of superhuman strength. It's lightweight, flexible, and can be worn under clothes.

According to its makers, "the suit works by mimicking the action of the leg muscles and tendons when a person walks, with an actuator system giving small, carefully timed assistance at the ankle and hip joints without restricting the wearer’s movement. The breakthrough is in the 'structured functional textiles' that transmit those applied forces all over the body during natural movement. Wearable, flexible sensors integrate into the fabric to gauge the body’s movement and provide support at the right moment." ...

Why do these fish look like they’re spouting puffs of magic dust out of their mouths? The tiny crustaceans (1 millimetre-long crustacean called an ostracod) that these transparent fish try to eat light them up, causing the fish to be at risk of predation themselves, so they spit them out!

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The Drama! Hognose snakes play dead by lying on its back, lolling its tongue, and giving off the odor of carrion!