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Several countries are developing microwave weapons, like this U.S. Air Force system designed to knock down drones by frying their electronics. AFRL Directed Energy Directorate

Experts suggest US embassies were hit with high-power microwaves – here’s how the weapons work

High-power microwave weapons are useful for disabling electronics. A new report says they ‘plausibly explain’ some ailments suffered by US diplomats and CIA agents in Cuba, China and other countries.
Do you know where your coffee comes from? The COVID-19 pandemic has highlighted the importance of knowing about our supply chains. Here, a woman carries harvested coffee beans in a coffee plantation in Mount Gorongosa, Mozambique, in August 2019. (AP Photo/Tsvangirayi Mukwazhi)

The coronavirus pandemic requires us to understand food’s murky supply chains

The COVID-19 crisis highlights the importance of supply chains. But even with the increased recent attention, most supply chains remain murky. Consumers can play a key role in lifting that cloud.

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