The hunt for Planet 9
Beyond Neptune, a few small worlds are moving in harmony. Is a huge ninth planet pulling them around?
With overpopulation and climate change taking their toll on our cities, engineers and urban planners are dreaming up some innovative ways to live.
Does electroconvulsive therapy offer a life-saving treatment?
- Richard Dawkins chats about faith, flat-Earthers and Facebook.
- Should we stop having kids to save the planet?
Issue 340 on sale 4 September 2019
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