Eat yourself happy: How the microbes in your gut hold the key to health and happiness (and what you can do to nourish them)

Eat yourself happy

Could gut-friendly probiotics and prebiotics help treat anxiety and depression?

The plight of the bumblebee

Environmental scientist Samantha Alger tells us how honeybees are harming wild bee populations

Should you upgrade your brain?

Elon Musk's Neuralink brain-computer interface is nearly ready

Plus

• Could we divert an earth-bound asteroid?
• Big ideas for greener, faster transport

Issue 341 on sale 25 September 2019

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