Galileo (male lead is a physicist)
Hard Nut! (female lead is a math genius uni student-- wasn't sure if you wanted students of the sciences too)
Kamen Rider Build (main character is a physicist-- yes it's a kid's show but it explores the role of science in wartime)
Mr. Brain (male lead is a neuroscientist)
Sakurako-san no Ashimoto ni wa Shitai ga Umatteiru (female lead is an osteologist)
Trick series (male lead is a physics professor, but also extremely gullible)
Voice (about a group of students studying forensic pathology)