A study links graying hair to stem cells getting stuck, unable to color new hair growth. Stem cells travel back and forth within compartments, but when they get stuck in one compartment, they cannot ...

You are not indecisive because you are dumb. You are indecisive because you are carrying too much on your shoulders. Too many ...

This puzzle is known as the problem of time, and it remains one of the most persistent obstacles to a unified theory of ...

Time feels like the most basic feature of reality. Seconds tick, days pass and everything from planetary motion to human memory seems to unfold along a single, irreversible direction. We are born and ...

Explores a six-level autonomy taxonomy for agentic AI, governance, and risk-aligned controls to safely deploy autonomous ...