Jack Hills Zircon: Evidence of a Very Old Earth

Latest Story In a report published in Nature Geoscience, a scientific team studying rocks in Australia, used Australian zircons in the Jack Hills that are embedded in the rocks to decide the age and history of these rocks. They found evidence that the Earth’s crust first formed at least 4.4 billion years ago.  They analyzed […]

Governor Deal’s Weather Task Force is More of a Mob Than a Problem Solving Team

To improve the state of Georgia’s response to severe weather, Governor Nathan Deal appointed a 28 member task force.  A few years ago, when Atlanta educators were accused of changing answers on student tests sheets, the Governor (Sonny Perdue) appointed a panel of three to investigate and prepare a report.  Why do we need 28 […]

NAT GEO The Wild Mississippi

NAT GEO presents The Wild Mississippi, a three-part TV program on Sunday, February 12.  I viewed the three episodes today, and recommend that you tune in Sunday night at 8:00 P.M (Eastern) to view the first of the three episodes.  The second and third episodes follow at 9:00 P.M. and 10:00 P.M.  Check the schedule […]

The Dinosaur Footprints Puzzle: Is it pedagogy or paleontology?

In the last post I reviewed the article “Tracking the Footprints Puzzle: The Problematic persistence of science-as-process in teaching the nature and culture of science by Charles Ault and Jeff Dodick which was published in the recent issue of the journal Science Education. I also reflected on my own experience in teaching and writing with […]

Water on the Moon

NASA scientists, of  Project LCROSS, have reported that there is water in one of the moon’s craters, and that there is more water in this crater than there is in the Sahara Desert.  The water, in the form of ice crystals, makes up about 5 – 8% of the crater’s mixture.  According to NASA, 8 […]