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Green lasers glowing within cells. Matjaž Humar and Seok Hyun Yun

We transformed living cells into tiny lasers

Using fluorescent dye, researchers figured out how to turn cells into lasers – with applications for cell tagging and tracking as well as medical diagnoses and therapies.
Unmanned aircraft, better known as drones, could have positive spin-offs for the African continent. Reuters/Edward Echwalu

How drones can deliver tangible benefits to ordinary people in Africa

Drones have a positive role to play on the African continent, from delivering medicines to fighting poaching and even giving visitors to game parks a head-up on where to spot the game.

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