Start your week smart: Winter storm, Djokovic, Texas ... - CNN
8 hours ago — A
massive winter storm dumped snow on the central US and is expected to
wallop much of the country's eastern third with snow and freezing
rain ...
In 1797, English scientist Henry Cavendish measured the strength of gravity with a contraption made of lead spheres, wooden rods and wire. In the 21st century, scientists are doing something very similar with rather more sophisticated tools: atoms.