PhysicsHow learning to share cakes could help stop unfair US elections The “I-Cut-You-Choose” method results in provably fair slices of cake. The same game theory approach can produce fairer voting districts in US states, too 51
SpaceGravitational waves have let us see huge neutron stars colliding We’ve taken the first pictures of neutron stars colliding 130 million light years away. The resulting gravitational waves may solve some big cosmic mysteries 51