The Atacama Desert is one of the driest places in the world. Some areas get very little rain each year. The soil is salty, and in some places it even contains harmful elements like arsenic.

A symbiotic relationship is best defined as two organisms living together where one or both benefit from the relationship and ...

Nemotodes can certainly adapt to extreme environments, such as the deep sea, Antarctica and mines that stretch kilometres ...

They may be the size of a Shetland pony and weigh up to 275kg (600lb) but pigmy hippos are very hard to spot in the wild. In ...