Some male spiders just want to be eaten

Black widows are known for cannibalizing their mates, but this doesn’t actually happen all the time.

Certain species of salticids (jumping spiders) can see into spectrums we humans cannot. A few have been shown to be able to see both UVA and UVB light.

  There are some ingenious ways spiders use to capture prey. For instance, the ogre-faced spider weaves a net between its front legs and then dangles above places where prey are likely to pass through....