Aging zoo animals threaten long-term species conservation goals of modern zoos
Images of newborn zoo animals regularly attract public attention – yet the impression of cute baby animals is deceptive. Across many species, births are becoming rarer while populations grow steadily older- a development documented by an international study.
Study suggests lemurs age differently than humans
In newly published research on age-related inflammation in ring-tailed and sifaka lemurs, Guevara discovered that perhaps we should rethink the inevitability of inflammaging in humans.

