Because according to a report in the Proceedings of the Royal Society, it's more cost effective to reduce the cases of a disease in hard-hit areas than to struggle to find a cure.

Harvesting the sun's abundant energy from space could provide a cost-effective way to meet the world's power needs, a group of international scientists have said.

Sirosh wouldn't discuss pricing, but if you buy one suite, you'll get a simpler billing model and more savings than you would get buying the individual pieces, he said.