LifeThis is how jellyfish can sting you without even touching you Upside-down jellyfish release tiny balls of stinging cells that can move through water on their own and survive for days – leaving a network of mucus that can sting you 51¶¯Âþ
MathematicsFacebook's AI mathematician can solve university calculus problems An artificial intelligence built by Facebook has learned to solve university-level calculus problems in seconds 51¶¯Âþ