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Why do wombats have cube-shaped poop?

It’s not due to the shape of their “backdoor.”

When nature calls, wombats poop out a masterpiece — a pile of cubed-shaped BMs, the only animal known to do so. And now, scientists may finally know how wombats pull off this feat, according to a new study published online Thursday (Jan. 28) in the aptly named journal Soft Matter.

The wombat, a small, tunneling marsupial that lives Down Under, has block-like poops because of the shape of its intestines, the international team of researchers found.

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World’s smallest reptile fits on your fingertip

The Madagascar chameleon Brookesia nana measures half an inch long, and may be critically endangered.

The world’s smallest male reptile can fit right on your fingertip — if its massive genitals don’t get in its way.

Meet Brookesia nana, an extremely tiny species of chameleon from the rainforests of northern Madagascar. Researchers recently described one male and one female of the species in a study published Jan. 28 in the journal Scientific Reports, and they were stunned by the male’s particularly wee dimensions. Measuring just half an inch (13.5 millimeters) from snout to cloaca (that’s the multipurpose hole reptiles use for both excretion and reproduction), the fully grown male is the smallest adult reptile ever described.

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