‘Food miles’—the carbon emissions from transporting food around the globe—accounts for about six percent of all human-made greenhouse gases
Author: John Crossingham

Wimbledon begins and Canadians ready to repeat
Unusual year for the tournament after several top Russian and Belarusian players are banned

Did China discover alien communication in deep space?
Almost certainly not, say experts, but it’s still an interesting story about how difficult it is to investigate deep space

Issue 146 is welcoming the summer season
From the summer solstice to nighttime skywatching, we’re ready for the warmest months