Snakes’ venom chemistry varies with age and location
Lancehead pitvipers give up their poisonous secrets in first ‘venomics’ study.
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.