Learn English: Tiny Chip Helps Doctors See Brain Tumors! (easy)

Imagine a tiny chip that can help doctors find bad cells in the brain called tumors.

This special chip is made of a super strong material called graphene, and it can tell the difference between healthy cells and tumor cells.

Doctors can use this chip to make sure they remove all the bad cells during brain surgery, which is really important.

This amazing chip could help lots of people who have brain problems, like seizures or strokes.