Fireflies’ summer evening light shows are a delight for humans, but for the insects they are a crucial mating ritual – and human-caused light pollution is a buzz kill.
Nightclub-goers often regard the sort of sexually aggressive behaviour they witness as unacceptable, but they put up with it because it seems like lots of people – especially men – are doing it.
Male Birds of Paradise have patches of super-black plumage that absorb 99.95 percent of light. New research identified their feathers’ microscopic structures that make them look so very dark.