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.

The more I travel, the more I want to share the truth of some of the most foundational habits and rituals in all our lives ✦ ‼️ Quick correction on my facts: Ubtan originates from Ayurveda and Hindu tradition, over 3000 years old. Any regional overlap comes from historical partition and migration, not separate origin. #pakistan #egypt #china #globalwomen #globalexploration

Did the big bang cause other universes to form? 💥

Did humanity once nearly go extinct? 💀