Riddle of the Day

Yesterday’s Riddle Answer: Stable.
 
Riddle of the Day: My 1st brother studies aerodynamics, my 2nd brother builds different engines. My 3rd brother is an illustrator, and my fourth, as wise as an owl. About me? I am unanimous to whatever you say! Find us all!

Fun Fact of the Day

Fun Fact of the Day: Playing Sudoku regularly can have benefits, like boosting your concentration and focus, preventing or easing depression and possibly even preventing dementia and Alzheimer’s disease, according to some studies.