Mutation in gene that determines individual sleep requirements explains why some people don't need much kip.

Cockroach populations have soared this year, with good breeding conditions and horrible winter weather sending the bugs inside.

An expert on sea slugs doubts they are to blame for killing dogs, saying the slugs themselves are probably victims.

Your genetic make-up may determine how many good hours of sleep you get.

Scientists have proved that slugs found on an Auckland beach are toxic but have not established what they have eaten to make them poisonous.

Painting the world's roofs and roads white would be the equivalent of taking all the cars off the road for 11 years, scientists say.

Researchers believe they may be dealing with two or even three unrelated causes of illness in the Hauraki Gulf.