- November 2: On the campaign trail in the USA, October 2020
- October 29: On the campaign trail in the USA, September 2020
- September 30: On the campaign trail in the USA, August 2020
- August 31: On the campaign trail in the USA, July 2020
- November 21: Slippery business: Materials scientists invent new coating for self-cleaning, water-efficient toilets
