A hint that humans won't be recognizably human in 100 years

DARPA, the Pentagon's way-out science arm wants to make soldiers stronger, faster, and generally "kill proof." The key, the agency believes: Getting humans to act more like animals.

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Callahan wants soldiers to pull off some of the same tricks. He'd like to increase oxygen flow to Navy divers by 30 to 40 percent. But instead of just giving 'em more O2, Callahan would like to "do what a sea lion does - redirect oxygen demand." Similarly, sea lions have a particularly strong "dive reflex" -- an ability to slow their heart rates and steer blood flow towards their cores. Callahan would like to see a "push-button dive reflex," so military divers can do the same, automatically.


Read more. The hand-wringing about Barry Bonds is going to look awfully quaint in 20 years.