Informing the population or transporting emergency equipment is easier said than done in regions of the world where infrastructure is lacking. In Mexico, a geek entrepreneur therefore had the idea of ​​using drones to wage the war against the coronavirus. Under the banner # DronesMexicovsCovid19, it brings together an army of amateur and professional drone players. Our correspondents Laurence Cuvillier and Matthieu Comin followed him.

In Ghana too, drones are used in the fight against Covid-19, this time in the field of delivery. On site, the California startup Zipline deploys its fleet to deliver drugs and screening kits to the bush. Guillaume Grallet tells us about it. 

And while drones are activating on Earth, astronomers are scanning space. This week, the asteroid 1998 OR2 came close to the blue planet passing 6 million kilometers from us. And if the star has spared us in its race, it offers new information on space collisions. Athena Brensberger - alias @astroathens - is a scientific YouTuber and specialist in astrophysics. It comes back to the missions of space agencies which observe asteroids and want to warn us of future collisions.

Finally, the legendary HUBBLE telescope has just celebrated its 30th anniversary. The opportunity for us too to observe the cosmos more closely. Several startups, such as iTelecope, offer to direct telescopes from our sofa. We are testing living room astronomy for you. 

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