Is it ever OK to eat another human being? Zoologist Bill Schutt explores the question.

A new study suggests e-cigarettes may be a gateway to smoking real cigarettes. Also scientists are using genetic sequencing technology to understand how quinoa can grow in super harsh conditions.

Eat your way to better gut health, Snapchat IPO and the approach of 5G, solving medical challenges using nature and bringing extinct species back from the dead.

BBC science journalist Dr Michael Mosley has been testing out which foods promote the good bugs, and whether those probiotic drinks actually work.

Wikipedia bans the Daily Mail as a reliable source, Snapchat gets ready to go public, plus the next generation of mobile telephony – 5G is just around the corner.

Jeff Karp is a bioengineer looking to nature for inspiration in developing new medical treatments.

Helen Pilcher looks at the controversial science of de-extinction.

Spin doctors, when is a kg not a kilo?, #DeleteUber and jean testing: ethical cotton.

Peloton is a spin class with a difference – 80,000 bikes, 250,000 riders, and it all happens in your home. Steven Kurutz from the New York Times has been to Peloton HQ in Manhattan.

The measurement of a kilogram is currently based on a hunk of metal kept under lock and key in France - but that's about to change. We find out why.