Giant sea spiders and other species are among thousands of creatures—a quarter of them previously unknown—found in the icy depths of the Southern Ocean.
The two-legged meat-eaters, discovered recently in the Sahara, had teeth and feasting techniques similar to those of modern-day predators, a new study says.
The device harnesses energy from walking to generate electricity and could help power prosthetic limbs or charge up essential battlefield gadgets, researchers say.
Within a few decades movie audiences may be able to experience the big screen in three dimensions without eyewear, thanks to new hologram technology being developed.
