Simplify the following text for a Grade 9 native English-speaking person.
Original: His brother Muhammad Ibrahim is a professor of physics at Dhaka University and the founder of The Center for Mass Education in Science ( CMES ) , which brings science education to adolescent girls in villages .
Simplified: Professor Yunus brother Muhammad Ibrahim is a professor of physics at Dhaka University and the founder of The Center for Mass Education in Science ( CMES ) . They teach science to girls in villages .