WASHINGTON - A BRITISH scientist is calling for immediate introduction of robot ethics guidelines amid surging use of the machines and concern about their lack of human responsibility while caring for children or the elderly.

WASHINGTON - YOU can call it dino daddy day-care.

Scientists who examined the fossilised remains of three types of medium-sized dinosaurs found with large clutches of eggs have concluded that the males rather than the females seem to have guarded the nests and brooded the eggs.

WASHINGTON - SOME things never change.

Scientists said on Friday they had replicated an experiment in which people obediently delivered painful shocks to others if encouraged to do so by authority figures.