Explore Tibetan sand mandalas – intricate artworks made with colored sand. Learn their spiritual significance in Buddhism and the symbolism behind their creation and destruction.

Discover the amazing phenomenon of gravitational lensing, where massive objects like galaxies curve the path of light, revealing hidden wonders of the universe.

The Zodiac Killer terrorized California, taunting authorities with coded messages. Dive into the history of his ciphers – what’s been solved, and what remains a chilling enigma.

Did you know dolphins use unique whistles to identify themselves? Dive into the fascinating world of dolphin communication and their “name-like” sounds.

Did you know there are over a billion insects for every single person? Explore the astonishing world of insect populations and their role in our world.

Explore Greek mythology and discover Iris, the goddess who painted the sky with rainbows as she traveled between heaven and earth.

Did you know mushrooms are more like you than a flower? Discover the surprising ways fungi are closely related to animals, not plants.

Ever noticed buttons are on opposite sides of men’s and women’s shirts? Discover the surprising history behind this fashion quirk.

Did you know a baseball was once clocked at an astounding 105.1 mph? Learn about the pitcher behind this record-breaking fastball and the science of extreme pitching.

Did you know the Mona Lisa has her own mailbox at the Louvre? Discover why she receives countless love letters and the history behind this unusual tradition.