Tabitha M. Powledge reviews news about a giant virus found in the 30,000 year-old Siberian permafrost, and asks when the next shoe drops: "I can’t help wondering what else is going to turn up as the warming Earth releases creatures from the melting of ice frozen many thousands of years ago." Also, the science behind sequencing the Neanderthal genome and dealing with contaminants, and Nobel laureate Sydney Brenner's critique of the system for funding scientific research.
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