How a centuries-old math puzzle helped us see inside the human brain. By Steven Strogatz Photo illustrations by Jens Mortensen Each installment of “Math, Revealed” starts with an object, uncovers the ...

I had a frontal lobe glioblastoma multiforme grade 4—that’s medical speak for “really darn big brain tumor.” How a Routine Eye Exam Revealed This Boy’s Brain Tumor. Miracle #2: Surviving one year.