Solid chemicals that are added to water make buffer and reagent solutions. Choose Usage Type:Royalty-Free Licence MEDIUM (approx. 2284 x 1531 px | 20cm x 13cm @ 300dpi) A crowd of enthralled tourists

A crowd of enthralled tourists photograph a Kecak Monkey Dance

Airforce and police rescue team descends on a winch to a rocky slope

Boulders and black volcanic sand crowd the rim of an active volcano

International efforts have been underway for years to reverse this trend

Solid chemicals that are added to water make buffer and reagent solutions. Choose Usage Type:Royalty-Free Licence MEDIUM (approx. 2284 x 1531 px | 20cm x 13cm @ 300dpi) A crowd of enthralled touristsSolid chemicals that are added to water make buffer and reagent solutions. Bio21 Molecular Science and Biotechnology Institute, University of Melbourne, Parkville, Melbourne, Victoria, Australia.