A synthetic blood substitute is something of a holy grail in medical research. Many potential synthetics have been tried--DARPA has even put a blood substitute before the FDA--but most have been disappointingly ineffective. So it’s pretty significant that an experimental synthetic blood substitute derived from cow plasma has brought an Australian woman back from the brink of death.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.