Permacrisis: what it means and why it's word of the year for 2022

The Collins Dictionary's word of the year for 2022 is "permacrisis." As accolades go, the managing director of Collins Learning, Alex Beecroft, has said that this one "sums up quite succinctly how truly awful 2022 has been ...

Finding microbes rarer than a ticket to the moon

You are more likely to take a trip to the Moon than to see a microbe called Legendrea loyezae under a microscope. Nasa's Apollo program has sent a total of 24 people to the Moon between 1968 and 1972. Only four people (including ...

Ye olde pathogen: Learning about evolution from ancient DNA

As long as humans have been around, there have been pathogens to make us sick. Some have achieved infamy in human history—the bubonic plague, for example, or smallpox—and with modern technologies, scientists can time-travel ...

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