Though often taken for granted today, eyeglasses were an amazing scientific breakthrough.
Slather on sunscreen before you hit the road: Cars don't protect against harmful UV rays.
Groundhogs aren't looking for their shadow—they're looking for a mate.
Seals eavesdrop on killer whales to distinguish the harmless fish-only eaters from the seal-eating kind.
Dragonflies have a 95 percent success rate when it comes to hunting their next meal.
The Hubble telescope digs up the Milky's Way star-crossed past.
Invasive species constitute the second biggest danger facing the world's biodiversity.
You can measure a cow's mood by the temperature of its nose!
Mindful meditation may be used to cure physical ailments like inflammation.