Health & Fitness
Snakes tie themselves in knots to climb up slippery poles after endangered prey; Spinning stars act as cosmic lighthouses to help detect gravitational waves; Heavy machinery is compacting agricultural soils. Can we persuade plants to put up with it?; Canada committed to protecting 30% of our territory by 2030. Which 30% should it be?; ‘Shocking’ electric eel pack-hunting behaviour discovered in the Amazon.