From heart palpitations to insomnia, anxiety can cause a myriad of symptoms. Learn what happens to the body when anxiety takes over and how to treat it.
Much like most other reptiles, dinosaurs reproduced by laying eggs. Here are five of the largest nest clutches and hatcheries that paleontologists have unearthed from the fossil record.
Despite their fearsome-sounding name and venomous bite, these desert-dwelling lizards – the largest in the United States – have evolved in unique ways to thrive in an arid climate.