Suju Kali is a 50-year-old elephant in Nepal who has been carrying tourists for over 30 years. Like many elephants I encounter through my research, Suju Kali exhibits anxiety and can be aggressive ...

This daily feast-and-famine cycle in oxygen availability created an intense physiological challenge for early animals, forcing them to develop adaptations to handle fluctuations in nutrients. For ...

Many scientists have pointed to long-term atmospheric changes, where increasing oxygen levels supposedly drove a variation in the number of animal life ... and different types of sediment or ...

Advances in selective breeding and artificial insemination have fuelled the global spread of a small number of profitable ...