On Nature News: snakes and ice - July 15, 2008
Snakes' venom chemistry varies with age and location
Lancehead pitvipers give up their poisonous secrets in first 'venomics' study.
Science on a melting ice floe
After Russian researchers are evacuated from their Arctic base, one member of the team explains what it was like to spend the winter on ice.
Climate science: The long summer begins
A research vessel embedded in the thinning Arctic sea ice has a front-row seat for the cryospheric show of the century. Quirin Schiermeier reports from Darnley Bay, Canada.
