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Part of the appeal of chameleons lies in their ability to fire their long sticky tongues out of their mouths to capture insects to eat. Scientists recently discovered an animal from 99 millions years that had the same kind of tongue.

There are hundreds of millions of malaria cases worldwide every year. It's caused by a protozoan called Plasmodium and is spread by anopheline mosquitoes. It also might have helped kill of the dinosaurs.

Some spider webs look as though they were thrown together at the last minute, while others look as though they wer meticulously planned months in advance. It's hard to say just how long it took for spiders to evolve such intricate webs, but evidence suggests that orb webs have been around for a long time, at least 100 million years.