below are some links to articles and podcasts featuring the work of myself and colleagues over the years.

• the challenge of detecting alien life : NBC News // Inside Science // Nature Astronomy
• food for early life : Christian Science Monitor // Nature Geoscience // International Business Times
• oxygen and the evolution of biological complexity : Christian Science Monitor // Daily Mail 
• solving 'Darwin's dilemma'? : ABC News // newser
• tracking early oxygenic photosynthesis : podcast clip 1 // podcast clip 2
• 'weird' sulfur and ancient atmospheric chemistry : Nature podcast