Intrigued by the incredible—and often inexplicable—forms of life on our Earth, science writer Mara Grunbaum began showcasing her favorite examples on Tumblr. Now you can marvel at more than 100 of Evolution’s greatest hits and misses in her new book WTF, Evolution?!: A Theory of Unintelligible Design (Workman). Take a break from these strange creatures and check out the most adorable photos of the sweetest animals.
The two men are apparently investigating strange noises. It's not totally unbelievable that they would want to bring a camera along -- strange noises potentially mean a large and equally strange creature, so it would behoove them to get it on tape. As they follow the noises, they start to find giant white feathers, which honestly are kind of out of place in the middle of the forest, seeing as oversized swans and/or geese typically don't go tearing through the underbrush at midnight:
Hagfish are primitive marine creatures that live deep at the bottom of the ocean. They look a bit like an eel and have no jaws, spines or scales and have exceedingly poor eyesight; most rely on their sense of smell. Over 60 different species of hagfish are known which can vary in color from pinks, browns or greys. They often scavenge off dead animals, but they can also latch onto passing live prey, burrowing inside and eating their way out. Grim. One of the most interesting features of hagfish is their ability to produce a slime that can suffocate predators such as sharks. Just a tiny amount of slime will dramatically expand in size when it comes into contact with seawater, and sometimes the hagfish themselves can get tangled up but they wriggle into knots to escape from it.

A self-described ghost hunter from Texas who has worked with dozen of other investigators, Alejandro Dominguez is the main man behind this YouTube-based paranormal investigation series. Dominguez cites a ghostly encounter at the age of five as the inspiration for his interest in the afterlife. As a result, every first and third Tuesday of the month, he and his team of ghostbusters search for the dead in super-creepy locales. Fully shot by Dominguez, the videos allegedly capture apparitions and unexplained activity in places like abandoned schools and the Waverly Hills Sanatorium.
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