Genetics reveal how close humans came to extinction 🧬

Did humanity once nearly go extinct? 💀

Did the big bang cause other universes to form? 💥

#scienceexperiment

🤯 How Do They Tie a Knot in a Bag Full of Liquid? 🥛❓[REPO]

A federal investigation is underway after at least 10 scientists connected to sensitive US research have died or disappeared in recent years investigation. CNN's Natasha Chen breaks down some of the names involved in the investigation and the circumstances of their case.

Inside Chernobyl, 40 years after nuclear disaster