Scientists aren't immune to the cute, and Nature — the most highly-cited interdisciplinary journal in the world — has finally acknowledged what we all know: biology research can be pretty adorable. Check out the video, above, for the most important cute animals in scientific research in 2014. From the toupee monkeys to male frogs who find mates by showing off their legs, it's been a year of delightful insights into the cutest parts of the animal world.