Moreover, they observed their Cas9 - sgRNA complex effectively suppressing fluorescence with only tiny concentrations of the complex needed. (phys.org)
But monitoring mercury levels in the oceans has proven a challenge for researchers because the metal is present only in tiny concentrations in seawater, and gathering samples from different oceans requires time and resources. (sciencemag.org)
The pills are small and will dissolve easily in a baby's mouth and have such teeny tiny concentrations of active ingredient that there's debate over whether they can do anything at all. (askmoxie.org)