What foods help prevent a severe course of COVID?

A study of healthcare workers published in the BMJ medical journal found that those who reported following plant-based diets and pescatarian diets were less likely to develop a moderate-to-severe COVID infection than people who did not follow these diets.

Mud cylinders reveal when humans’ impact on Earth began

Scientists have been uncorking long, thin cylinders of soil from wetlands and riverbeds in an attempt to look back in time and understand the impact humans have had on nature. The results have made them radically rethink previous assumptions.

Move to net-zero ‘inevitably means more mining’

Resource experts say the current supply of various metals and minerals cannot support a global economy producing net-zero carbon emissions. Extraction rates have to be raised, the scientists argue, if only in the short term.