TripZapp founder Rory Okoli wants to make it simple for tourists to book and pay for African travel.

TripZapp founder Rory Okoli wants to make it simple for tourists to book and pay for African travel.

Sue Shore told the BBC how scammers targeted her – and we found her information had been leaked online.

Sue Shore told the BBC how scammers targeted her – and we found her information had been leaked online.

Sue Shore told the BBC how scammers targeted her – and we found her information had been leaked online.

Dutch firms are betting that hulls made with 3D printing machines will mean cheaper boats.

Dutch firms are betting that hulls made with 3D printing machines will mean cheaper boats.

Dutch firms are betting that hulls made with 3D printing machines will mean cheaper boats.

Just a handful of companies can make cadmium zinc telluride, a material with powerful properties.

Just a handful of companies can make cadmium zinc telluride, a material with powerful properties.