PhysicsPeaceful matter-antimatter pairing looks more real A second attempt to detect the long-sought Majorana fermion, the only particle that can act as its own antiparticle, has come up positive 51¶¯Âþ
SpaceQuantum skyfall puts Einstein's gravity to the test Dividing and recombining atoms as they fall down a 110-metre-high tower could help create a quantum theory of gravity 51¶¯Âþ