Bees sleep more after hanging out with bees than they do after spending time alone - five hours more! It could be the flood of information they have to process after encounter so many of their colony members - the extra sleep may help with learning and memory. Read more here!
Assassin bugs, as you might guess from their name, kill other bugs. But some species take it to the next level, sucking the corpses of their victims dry, and wearing them - often MANY of them! These corpses function as both visual and olfactory camouflage, and may offer some physical protection as well. Fascinating! Read more here.