Instead, it has more radial threads that serve as anchors and attach the structure to the cave wall. Whereas the webs of spiders found above ground tend to have five to 10 attachment points ...

The most recent supervolcanic eruption on Earth occurred approximately 27,000 years ago, during the Stone Age, when early humans were still fashioning tools and decorating cave walls. This ...

David enters a lion’s den and fends lion off with a torch and shadows on the cave wall show David fighting and killing the lion with a knife, several people have bloody wounds, one of Goliath’s spears ...