The green iguana’s mysterious third eye The green iguana’s third eye detects changes in light and movement, helping it notice predators from above. Read more
Ferret sleep: When they completely switch off Ferrets may sleep for 14–18 hours a day, but when awake, they become playful little explorers. Read more
Ant superorganism: Tiny insects, one huge system Ant colonies form perfectly coordinated systems that can function almost like one giant superorganism. Read more