Recent research suggests that human activities have led to the extinction of approximately 1,430 bird species, more than double the number previously estimated.

Despite the many new animal species discovered by scientists in the 21st century, many others have sadly become extinct. The actions of humans have been a major contributing factor to this loss

An international team of researchers has now uncovered evidence to suggest that this mass extinction was not a single event

Cryopreservation or cryo conservation is the storage of materials at ultra-low temperatures (-196°C) in liquid nitrogen.