tedmichalik.com

An article on Spaceweather.com discusses the latest analysis of climate researchers Judith Lean (NRL) and David Rind (NASA/GISS).  Their model can account for 76% of the variation in the surface temperature of the Earth over the last 30 years just by considering solar activity, volcanic eruptions, ENSO (El Nino), and the accumulation of greenhouse gases.  Click here to see their full article with predictions for the next two decades.

Here is a clip from the PBS program “DNA The Secret of Life”.  Computer animation is used to illustrate the process that makes near-perfect copies of DNA.

How DNA Copies Itself

Arthur Benjamin can figure out 3-digit squares in his head faster than people with calculators. Personally, I have to use a calculator to keep my checkbook balanced, so I am in total awe of his abilities.  Check out the link below.

Lightning Calculation and other “Mathemagic”