This NPR News Now update covers the Nobel Prize in Physiology or Medicine awarded to three brain researchers, alongside an investigation into a co-pilot’s attempt to crash a jet into Tel Aviv. President Trump appoints Jay Clayton as the new AI czar, while a woman is arrested in Los Angeles for allegedly spying on a Taiwanese official’s family. The report also details intensified Russian airstrikes on Ukrainian cities and notes that Brazil’s presidential election will proceed to a runoff vote.