Joseph McQuade on the similarities and differences between Trump's America and Nazi Germany.
Andrea Pizziconi on the importance of micro-activism to defend American values.
Kerstin Göpfrich on the future of portable DNA sequencers and using one to decode a smoothie.
Matthew Oreska on creating the first offset-credit accounting guidelines for coastal ‘blue carbon’ habitats.
Academic podcasting is a vital tool for public engagement, say Sampurna Chakrabarti and Annika Pecchia-Bekum.