One theories suggests there may be more to spicy foods than added flavor.
Imagine that you're an insect, and that you've fallen ill because some bacteria or parasites have invaded your body. What do you do?
Nature can sometimes be a scary place, particularly if you are the sort of insect that parasitic wasp larvae enjoy eating - alive!
Any chimpanzee from Kibale National Park in Uganda will tell you, being top banana has its advantages. But, there are many disadvantages as well.
How do vultures avoid getting sick since they are known as nature's "clean up crew?"
Botflies are parasites that deposit larvae inside the noses of their hosts, including reindeer. To adapt, the deer learn elaborate behaviors to avoid the flies.
Scientists working in Panama have discovered a parasitic worm that infects a certain species of ant, altering the ant to look like a red, ripe berry.
Your face might be home to a group of tiny creatures! These organisms, called demodicids, or eyelash mites, live on the bodies of even the cleanest of people.
As part of the mating process, female giant water bugs latch onto male water bugs and cement as many as one hundred and fifty eggs to his back, then leaves.
Step (or swim) right up for a free scale cleaning! Cleaner wrasse provide a very valuable service for their underwater clients.