TechnologyTemperature-driven clock sparks new kind of generator Inspired by a 1920s clock that harnessed changes in the volume of a gas as it heats and cools, researchers may be able to power sensors cheaply for decades News
LifeJurassic corpse-eaters revealed by fossil reptiles The remains of a 3-metre ichthyosaur are covered in marks left by the creatures that gnawed its bones, hinting at what feasted on death during the dinosaur era News