With no copulatory organ, this newly discovered nematode have a unique way of mating, too.
A team of researchers from 11 institutions in five countries recently discovered a DNA fossil of a human-infecting parasite. However, that they were found in certain species of tropical birds suggests that these parasitic worms transferred from birds to humans several million years ago.
A new species of roundworm discovered on Reunion Island in the Indian Ocean boasts some interesting characteristics. Researchers say this nematode that lives in fig trees can develop five different specialized "faces" or mouths, based on the available food supply.