EarthFossil fuels are far deadlier than nuclear power Nuclear power kills many fewer people than other energy sources, according to a review by the International Energy Agency ¿ìè¶ÌÊÓÆµ
SpaceSmoke-detector isotope to power space probes The European Space Agency wants a radioactive isotope commonly used in smoke alarms to power its robotic spacecraft to the outer solar system ¿ìè¶ÌÊÓÆµ