Most male tigers on Sumatra have a ruff like this. Residence on that island may also be why Sumatran tigers are only about half the
Fracking isn’t the only human activity that involves pumping water through rocks. Steam produced by geothermally heated water is an alternative energy source meant to
This post first was published at my other blog. 10. Gravity currents Yes, gravity is the culprit when you fall off a cliff but
The old earth/wind/fire/water/space system of organizing things is unscientific, but as explained in the initial post of this series, it gives an intuitive feel for
When I was a boy and I would see scary things in the news, my mother would say to me, “Look for the helpers.