Make that 6! Actually, I'd like everyone that wants to be able to join in - we can enter two teams if there are that many that want to join in! Just remember that its a serious commitment to work hard for a term (but good fun!) This year's challenge is about global warming - I thought we might prepare by building some biospheres and then seeing what happens when they get some 'global' warming... see http://www.open2.net/diyscience/ecosphere/virtual_ecosphere.html and http://www.makezine.com/10/biosphere/ ? Al
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