Learn how robots were first conceptualized in ancient Rome and see how their use has evolved over the centuries, from the calculator to the Roomba. Then, take a sneak peek at what future robots will be able to do.
Have scientists discovered the biggest animal to have ever walked the planet? Deep in a South American desert, a giant is being awakened after 101 million years of sleep. Paleontologists have discovered a giant femur – the largest dinosaur bone that has ever been unearthed.