Protecting large animals such as elephants and whales, and large plants like the sequoias, has a disproportionate positive impact on the health of the planet and resilience to climate change.

A report suggests that snakes – the Chinese krait and the Chinese cobra – might have been the original source of the coronavirus that’s triggered an outbreak of deadly infectious respiratory illnesses in China this year.

The pace of archaeological discoveries has picked up in recent decades, helping to refine the human story.