How Things Look on Instagram: "A horsehair worm is a long, thin parasite that spends part of its life inside insects such as crickets or praying mantises. When it reaches adulthood it no longer needs its host and seeks to return to water where it can reproduce. The dramatic part of this life cycle is when the worm finally leaves the insect’s body, often when the host is near a wet area. The exit looks shocking because the worm can be many times longer than the insect it lived inside. It wriggles

Medical on Instagram: "Meet the ribbon worm-a slimy invertebrate with a wild superpower. When threatened or hunting, it ejects a sticky, retractable proboscis that looks like a web or net, instantly entangling prey. Some species can shoot this organ several times their own body length! Ribbon worms are found in oceans worldwide, from shallow shores to deep waters, and while most feed on small invertebrates, some grow over 30 meters long, making them among the longest animals on Earth Via: @156_t