HumansHow gardeners can help plant-eating insects instead of killing them Aphids and other garden foes often make us reach for pesticides, but a wildlife rethink could be in order. With many insects in decline, we should be planting to lure invertebrates to our gardens, says Clare Wilson Regulars
SpaceHow to find Hydra, the biggest constellation in the sky Named after a water snake, Hydra is a large constellation, but it isn't very bright. Finding it will take really dark skies – and tapping into some of astronomy's top visualising tips, says Abigail BeallRegulars