A visit to a spotted hyena den at night, filmed in night vision using infra red light plus the ambient light of the stars and ...

It is dusk when Kim Wolhuter parks his battered Toyota off-road vehicle a few metres from a hyena den. The sun has just disappeared behind the acacias, a blood-red ball, and the day's heat is ...

Holly has a degree in Medical Biochemistry from the University of Leicester. Her scientific interests include genomics, personalized medicine, and bioethics.View full profile Holly has a degree in ...