(via Kurzgesagt) Pregnancy is not gentle. Babies begin as invaders, growing a brand-new organ inside another human. For months, they sap energy, hack the immune system, and fight for survival. Out of ...

Can jellyfish power Tokyo? What would happen if it rained bananas for a day? We're taking two of your most absurd (and brilliant) questions and answer them with real science. Fentanyl is the deadliest ...