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.
A male guppy looks good when he looks different.
Mitchel Daniel
The mating habits of these tiny, colorful fish may be revealing something broader about the animal kingdom, and perhaps even our own desires.
Young Australians use nightclubs as a place to relax and perhaps meet a new sexual partner. Many regard some phyiscal contact during the mating ritual as off limits – but still put up with it.
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.
Super-black feathers on these guys are like looking into a dark cave.
Natasha Baucas
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.