Ineed to write an article on photopic, mesopic and scotopic vision measurements

What is a neurotransmitter involved in mood reward, addiction, and motor behaviors?

Why should seat belts not be mandatory quick plz

Estimate the schwarzschild radius (in kilometers) for a mini-black hole formed when a superadvanced civilization decides to punish you (unfairly) by squeezing you until you become so small that you disappear inside your own event horizon. (assume that the your weight is 50 kg)