Dogs tilt their heads to see better. because their big noses block their vision. Humpback whales jump using their peduncle muscle. Spiders shed their old skin to grow bigger. Hippos sweat sunscreen ...

Animal-welfare science tries to get inside the minds of a huge range of species — in order to help improve their lives. Credit...Photo Illustration by Zachary Scott Supported by By Bill Wasik and ...

How a lizard can literally walk on water; how hippos speed through water if they can’t actually swim; how bees find nectar; jellyfish; cats’ whiskers. Looking at the science behind hummingbirds flying ...