And by using people rather than experimental animals for the tests, the researchers can be confident that the results are applicable to humans.

ECONOMIST: Monitor

Dr de Grey's ideas, which are informed by literature surveys rather than experimental work, have been greeted with scorn by those working at developing such repair kits.

ECONOMIST: The latest from the wacky world of anti-senescence therapy

It all looked experimental rather than strategic.

FORBES: CBS Goes All In