In this Oct. 7, 2003, file photo, a section of a human brain with Alzheimer's disease is on display at the Museum of Neuroanatomy at the University at Buffalo, in Buffalo, N.Y. (AP Photo/David Duprey, File)
4 astronauts return to Earth after being delayed by Boeing's capsule trouble and Hurricane Milton Shares
Quarter Pounders are off the menu at 20% of McDonald's in US as E. coli cases are investigated Shares