Ask the bombardier beetle—or rather, its enemies—if hydrogen peroxide has any biological use. Most of us think of hydrogen peroxide as a sterilizing agent, normally found in disinfectants and mouthwash. It’s not the first thing

William Shakespeare: A biography Since William Shakespeare lived more than 400 years ago, and many records from that time are lost or never existed in the first place, we don’t know everything about Shakespeare’s life.