PHYSICSIS THERE A FIFTH FORCE
FROM THE DARK SIDE?
Pretty much every physics textbook could imminently go out of
date. Theorists at the University of California, Irvin may have
VCPVCNKUKPIGXKFGPEGQHCƂHVJHWPFCOGPVCNHQTEGQHPCVWTG
PHOTO:ESA
/HUBBLE
/NASA
OCTOBER 2016 EDITED BYJASONGOODYERD I S PATC HES FRO M THE C UTTING EDGE