I got an email today from John Allen Paulos, a mathematician from Temple University who writes a column for abcnews.com called Who's Counting. He is the author of a rather famous book called Innumeracy as well. He said he's going to include my information on the Liberty University debate team in his column this Sunday, which is pretty cool. I'll link to the column when it goes up.
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Now we're going to try something challenging on the abacus: *division*. Like multiplication, abacus division is close to the way you'd do it on paper. But just like doing paper division is trickier than paper multiplication, abacus division is tricker than abacus multiplication.
Cut-and-paste creationism?
DNA Extraction Columns Contaminated with Murine Sequences
Martin Gardner has passed away at age 95.