What Are the Unlikeliest Futures for the Human Species?

Welcome to Ask a Biogeek, a column where you ask UC Berkeley researcher Terry Johnson any question you want - no matter how weird. » 8/21/08 9:00am 8/21/08 9:00am Reader Matthew asks: "Blocked" is perhaps too rigorous a standard, but there are certainly some futures far less likely than others. I can't , but perhaps I can convince you that a few…