NZ scientists have recreated the face of a 2500-year-old Turkish peasant with technology they hope could be used in court in coming years.

Sleep clinician Carlos Schenck explains the 'Parasomnia' condition which includes bizarre phenomenon such “sleep violence,” "sleep eating," and “sleep sex. Source - YouTube/World Science Festival

Fish have been found to grunt, growl and "pop" at each other, according to University of Auckland marine scientist Shahriman Ghazali.

How do you know if someone is lying to you? What, exactly, are you supposed to look for?

While a white person has a one in three chance of finding a donor, Asian and black patients have just a one in 125,000 chance.

Large Hadron Collider scientists say they have simulated the noise that might be made when a Higgs boson particle comes into being.

Gangs of chimpanzees kill individuals from neighbouring groups to expand their territory.

Research has confirmed what many women have long suspected - men are prone to exaggerate symptoms when they're not feeling well.

Researchers estimate that the iron-rich faeces of sperm whales helps remove 400,000 tonnes of carbon from the atmosphere each year.

Polar scientists are united on the likelihood of level rises - but how much and when?