First grains of sand

Black sand from a beach north of Auckland (volcanic green grain certainly olivine + “the cigar” certainly a spicule from urchin

Using a Foldscope at the NJ Science Convention

On October 14, 2015 Dr. Judith Bazler and Carleigh Engstrom shared the Foldscope technology with other teachers and students at the New Jersey Science Convention (NJSC). The presentation involved hands on activities where attendees had the opportunity to use a Foldscope, create sand sample slides, look at pre-prepared slides, and take pictures using their smartphones….

Freshwater Aquarium I̶n̶s̶e̶c̶t̶ Water Mite

I used a syringe to remove a sample of sand substrate from the bottom of my freshwater aquarium. The splotches of granules around the bug are grains of sand. I saw a total of 3 of them from a total of 3 samples. Anyone have any idea what kind of bug it is? I’m guessing it…