A computer scan of thousands of genetic sequences indicates that more than 5000 human genes — around a fifth of the estimated total, and a third of those examined — are regulated by tiny stretches of RNA molecules called microRNAs (miRNAs). (sciencemag.org)
LIGO's twin detectors, in Louisiana and Washington state, use lasers to watch for these tiny stretches and squeezes of space - time. (discovermagazine.com)
At both observatories, extremely sensitive laser measurements inside miles - long tunnels caught the waves» tiny stretches and squeezes of space - time. (discovermagazine.com)