SpaceDust is annoying, but it is also key to life and death in the cosmos Dust gives us trouble, whether at home or in space, but it plays a key role in star formation and destruction, and in allowing us to understand huge objects like galaxies says Chanda Prescod-Weinstein Comment
HealthDon’t go bananas: Should we be cutting down on the fruit we eat? News that some zoos have stopped feeding monkeys fruit has led people to suggest humans avoid it too. But that ignores a few crucial details, says James Wong Comment