interesting interim

The homework due Monday is the stuff from last blog posting, so scroll down to make sure you have done it all, basically the experiment (writing the equations), the video, and the two worksheets.  Monday will be more experiments - single and double displacements (also called replacements).

But here is an interesting article, on the nature side of things from the blog of a remarkable photographer:  http://thesmallermajority.com/2015/03/12/mozambique-diary-red-headed-flies/