unexplained phenomena Laser-cut by giants? How did this massive rock in the Saudi Arabian desert get split so cleanly? Mark Frauenfelder
Science How long would it take for a human brain to form in a void, complete with a memory of having existed? Mark Frauenfelder
art Three Rocks: Bill Griffith's incredible exploration of Ernie Bushmiller's comic strip "Nancy" Ruben Bolling
Cute Animals If you need some eye bleach, watch these Matschie's tree kangaroos munching on leaves Jennifer Sandlin
History Exclusive interview with Matt LaCroix and Kaedrich Olsen about Gaia's Ancient Civilizations fourth season Devin Nealy