I understand why we have two eyes and two ears – but why two nostrils? The human nose has two jobs, says one reader, and two nostrils allow for ideal air and scent intake ...

McMeekin said two days was a long time for females in a herd to be separated. The herd on Wednesday was introduced into their new 21-hectare (52-acre) enclosure that has two 3.5-meter- (11-foot ...