ScienceAlert on MSN

Twin study: Cheap supplements improved memory test scores in just 12 weeks

(Guido Mieth/Getty Images) Cheap daily supplements are changing how scientists view the gut and its connection to the brain.

“What Is The Meaning Of ‘GR8’?”: Test Your Brain With These 15 Math Rebus Puzzles

Welcome to the ultimate visual rebus challenge! We’ve prepared 15 math rebuses that range from beginner to advanced levels. You may be able to guess the meaning of ‘GR8’, but can you guess what ‘-b²’ ...