Many is a morning when my fellow Conversation editors will recoil, retching, as I gulp down a glass of what they call “pond juice” at my desk. My daily consumption of a kale smoothie once even prompted a horrified onlooker to declare “everything you do is SO DIRE!” It’s fair, these green drinks are pretty ugly. But, guys, Beyoncé loves them!

I nearly choked on my spirulina, then, when I read a Conversation article about how I (and Beyoncé alike) appear to have fallen for a particularly slick marketing campaign. In 2011 the American Kale Association set out to convince modern foodies that they absolutely must gorge on a vegetable once described as “peasant cabbage” and only ever consumed in times of extreme need. Clearly, that campaign was highly successful. It’s a fascinating read.

We also have a report from Berlin Science Week, where experts have proposed updating our thinking on the nature versus nurture debate to reflect recent scientific findings. Rather than seeing the two as in opposition to each other, it’s increasingly accepted that they are intertwined.

You can catch up on all the latest from the UK election on our site, including analysis of the Labour Party’s wide ranging manifesto. We’ve looked in particular detail at the bold proposals for a “green industrial revolution”.

Also this week, we’ve been translating His Dark Materials, dodging scooters on the streets of Paris and asking whether an inability to sweat is really a thing.

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