In early March, a hospital in Rwanda needed blood urgently for a patient with a leg injury. The patient's blood type was not in stock and the nearest supplies were at least a half day's drive away. So the hospital called upon a drone operated by Zipline Inc., which dropped the blood by parachute within an hour.

The “AOT Airports” application tracks people while they spend 14 days at home in self-quarantine, tipping off medical authorities if they’re staying put (a green, “normal” status), wandering out more than 200 metres (orange) or are infected or not following recommended guidelines (red).

Video-streaming platform Youtube has agreed to a request by the European Union (EU) to reduce its internet traffic usage in light of the ongoing Covid-19 pandemic. In addition to the EU, it has now defaulted to standard definition for all users worldwide.

Scientists have found a new point of major vulnerability in the Antarctic ice sheet, in a region that already appears to be changing as the climate warms and has the potential to raise sea levels by nearly five feet over the long term.