Daily briefing: 2020 was the joint hottest year ever recorded
Nature, Published online: 11 January 2021; doi:10.1038/d41586-021-00050-x
Only 2016 was as hot as 2020, and it had a warmth-boosting El Niño. Plus, the trouble with new COVID vaccine trials and how machine learning is cleaning up microscopy images.
Source: Nature