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Apr 30, 2012

Scientists say the notoriously dry continent of Africa is sitting on(1) a vast reservoir of groundwater. They say that the total volume of water in aquifers underground is 100 times the amount found on the surface. The British Geological Survey and the University College London team has produced the most detailed map...


Apr 25, 2012

Today's podcast is going to test your knowledge of ethanol. What is it? How is it made? And what are the advantages and disadvantages of using it? I asked myself these questions recently, when I drove past a gas station that had a sign saying 'No ethanol in our gas'. I asked myself why it would be good to not have...


Apr 17, 2012

Waiting, waiting, waiting. It's difficult to do sometimes. I found myself waiting a couple of weeks ago at Seattle International Airport. My sister and my two nephews were coming for a two week visit, so I made the three hour drive over the mountains to pick them up. I don't often go to Seattle, but I love to. It's a...


Apr 5, 2012

Science can be so exciting. I was listening to the BBC World Service the other day while I was driving in my car. Their series called Science in Action, which, by the way, comes out in podcast form, is a lively presentation of the most up-to-date science innovations(1). I don't always listen to it, but the other day I...