A new study reports that a mammals sense of smell was the primary motivator for brain development. Using high resolution scanning, scientist determined that sensory areas of the skull developed more quickly. This study, for the first time, outlines the evolutionary history of mammal brain regions.

Mother’s Day marks the day for climate change marches around the globe. The march intends to bring attention to problems attributed to man induced climate change. Thousands are expected in Washington D.C. and in other nations capitals.  Make this Mother’s Day, a green day.

The countdown is on for Space Shuttle Endeavour.  Launch has been re-scheduled for May 10th, after failure in a power distribution box. The launch marks the next to last shuttle mission.  Shuttle Atlantis is scheduled for launch on June 28 at 3:40pm.  An estimated 1 million launch watchers are expected …

Earth Day celebrations go world wide for April 22nd.  NASA has a nice Earth Day page titled “Exploring The Whole Earth”.