Males of most animal species die earlier than females because their smaller Y chromosome is unable to protect an unhealthy X chromosome, research suggests.
Citizen scientists are being encouraged to photograph bushfire-affected areas to help UNSW Sydney researchers track the recovery of flora and fauna after the fires.
UNSW scientists are raising concerns over the unpredictable nature of a contraceptive vaccine that aims to control populations of wild animals, such as rabbits and foxes.
