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Humanitarian drone corridor in Africa
Sierra Leone has just launched West Africa’s first drone corridor – it’s a dedicated channel of airspace for medical delivery drones. UNICEF is part of the project and already has three other humanitarian corridors open globally.

Wikipedia untagging of women
Dr. Jess Wade from Imperial College London is continuing her mission of getting more female scientists onto Wikipedia, however a few days ago many of her entries were marked as not notable enough to be included. This was done anonymously by another Wiki editor. We hear from Jess and Wikipedia’s Katherine Maher.

Cats detecting earthquakes
Could cats detect earthquakes? Yes says Celeste Labedz a seismologist at Caltech – if they are fitted with a motion tracker device. It’s purely a theoretical idea as she explains on the programme.

Smart tattoos
Smart ink that changes colour could lead to medical smart tattoos that monito conditions like diabetes. Harrison Lewis has been finding out more.

(Image: Drones for good. Credit:UNICEF)

Producer: Ania Lichtarowicz