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Following the disastrous floods in Kerala, the Institute of Electrical and Electronics Engineers (IEEE) and the Kerala government’s IT department has partnered with volunteer developers to design and run keralarescue.in, a website working to connect all stakeholders. Click reports.

New Zealand researchers wants to make the world a safer place, from bad weather and floods, to an unmarked mine shaft, a chemical spill or even an aggressive stray dog - by using the crowd as well as the Internet of Things to log millions of hazards and other health and safety information around the world. Simon Morton reports.

With 3D printers, manufacturing a gun becomes simple and untraceable. A user might locate a template online for a firearm online, plug it into a 3D printer and with the right materials, a gun is created on the spot. The battle to stop the proliferation of 3D printed guns is heating up in the USA. Click talks to Cassandra Crifasi.

Oh Europa is a 30,000km journey collecting love songs over six months by the arts collective Action Hero. Click talks to Gemma Pantin who is travelling with James Stenhouse across Europe in a motorhome, recording songs sung by the people they meet.

(Photo caption: Indian volunteers and rescue personal evacuate local residents in a boat in a residential area at Aluva in Ernakulam district, in the Indian state of Kerala – credit: AFP/Getty Images)

Producer: Colin Grant