Mayan (Archeology)

A Mayan city has been discovered that follows an unusually grid-like layout which archeologists suppose was driven by a powerful ruler.
http://www.livescience.com/50659-early-mayan-city-mapped.html

Light (Life)

A short video looking at the ways light advancements have changed people’s sleep, thought, and time management. (Via Erin M. Hartshorn)
http://aeon.co/video/health/how-electric-light-changed-the-night-the-effect-on-our-bodies

Exploration (Space)

The possibility of a chimpanzee-based robot for use in exploring the moon has certain advantages but there’s more that needs to be done before it’s a reality.
http://www.cnn.com/2015/04/30/tech/mci-robochimp/

Sharing (Reading)

Some tips on what readers can do to support their favorite authors no matter how big or small. My only quibble is with the last one. Make sure your library accepts donations for the shelves rather than just selling them at the book sales. Reviews definitely count, and are a wonder to receive because each opinion is different.
http://www.selfpublishedauthor.com/content/how-you-can-help-your-favorite-authors

Sales Tax (Publishing)

A break down on when sales tax applies (with caveats) and how to manage it. (Via Kiffanie Stahle)
https://www.sba.gov/blogs/sales-tax-101-small-business-owners-and-online-retailers