Rhampholeon spinosus, a lumpy-nosed chameleon that can fit on the tip of your thumb, doesn’t exactly inspire awe at first sight. But don’t let its size fool you: in one respect, this little lizard is among the most powerful machines on Earth. It’s got a tongue that moves like a supercar.
Most nectar-eating bats hover in front of flowers and lap like crazy to shovel high-calorie goodness down their throats. But when some species of South American leaf-nosed bats cozy up to a flower, they just stick their tongues in and leave them there. They’re eating, but their tongues don’t seem to be moving at all.…
Technically, the cervix is the bottom chunk of the uterus, a circular plug-like mass of tissue dividing the uterine space from the vagina. But where most of the uterine wall is made of smooth muscle, up to 90% of the cervix is built of stiff and unyielding connective tissue. At least, it’s stiff most of the time.
Human vaginas don’t have the fantastical loops and blind alleys of a duck vagina, but they still have some pretty amazing shape-changing powers. Here’s how they’re put together, and how that anatomy lets them grow when they need to.
Your spam folder is probably full of the offers. (Mine certainly is.) But none of the emails promising to let you “please your partner” by making you a “giant for girls” with “strong erections” say a thing about how the penis gets erect in the first place. Here’s how it really works.
Red pandas and giant pandas have more in common than simply being equally adorable and included on the IUCN Red List. They both eat bamboo and live in the same habitats. How do they coexist without competing over the same resources? The secret might be hidden in their skulls.
Snakes can fly and they don't need a plane to do it. The freaky freaky beasts flatten their bodies and angle their heads so they glide through the air, which make them capable of flying from tree to tree.