EXPLAINS. WE’VE COLLECTED BLOOD SAMPLES, URINE SAMPLES, TOENAIL SAMPLES, AND WE’VE COLLECTED MANY OF THESE SAMPLES REPEATEDLY OVER TIME. THE NUMBER CATALOGED HERE IS IN THE MILLIONS SINCE 1976, MORE ...
The clock is ticking for roughly 3 million biological samples preserved as part of a series of long-term health studies, many of which are housed in high-powered bio-freezers at Harvard’s T.H. Chan ...