But the little blue pill is a long way away from being approved to treat jet lag in humans.

ECONOMIST: Business travel

But now, for the second time in a little over a decade, a little blue pill comes to the rescue of humanity.

ECONOMIST: Business travel

However, researchers also report that the little blue pill improved sexual satisfaction and enhanced orgasms with few side effects for many men.

CNN: Study: Viagra doesn't work for every impotent man

Human trials along these lines would, of course, be years in the offing, but the little blue pill may eventually have yet another remarkable benefit added to its pedigree.

FORBES: Can Viagra Cure Skin Cancer?

But the attack Rutkowska outlined goes even further: she described how an intruder could install what she calls a "blue pill, " a second, malicious hypervisor that controls the original hypervisor and all of the virtual machines beneath it.

FORBES: Virtualization's Dark Side

The US Food and Drug Administration (FDA) approved Levitra, an orange pill compared to Viagra's blue, based on studies showing that men were on average five times more likely to achieve an erection suitable for intercourse when taking the pill compared with those given a dummy medicine.

BBC: Viagra pills