PLUS Feet are even grosser than you think ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌ ‌
The Conversation

Information overload might seem a modern problem, but try telling that to anyone working in the 1940s. An explosion of books and papers had turned libraries into a nightmare for people trying to research anything.

Leading US engineer Vannevar Bush wrote a landmark essay in 1945 proposing a device called the memex to solve the problem. It would crunch down thousands of documents and intelligently link them, to be accessed at the touch of a keyboard.

Computer scientist Martin Rudolfer explains how the memex helped inspire the internet, and digs out some valuable insights in Bush’s essay on how to minimise the risks of artificial intelligence.

Elsewhere, we look at why the “forever chemical” TFA (trifluoroacetic acid) is polluting UK rivers. We also bring you yet another chapter in the J.K. Rowling controversy – this time concerning a row over a public embroidery artwork, as told by the organiser, art researcher Layla Khoo.

Steven Vass

Senior Science and Technology Editor

Vannevar Bush, author of the influential 1945 essay As We May Think. Associated Press

The forgotten 80-year-old machine that shaped the internet – and could help us survive AI

Martin Rudorfer, Aston University

Leading American engineer and scientist Vannevar Bush thought that the memex was the answer to information nightmare of the 1940s.

The river Kelvin runs through Glasgow, Scotland. Jeff Whyte/Shutterstock

What’s the forever chemical TFA doing in the UK’s rivers?

Daniel Drage, University of Birmingham

A forever chemical known as TFA is accumulating in our environment, contaminating our rivers, food and even our wine.

The author with her artwork, A Virtuous Woman.

My artwork, A Virtuous Woman, has become the centre of a protest – it shows how our polarised society can affect art

Layla Khoo, University of Leeds

After two people added the name of author J.K. Rowling to the piece and another embroidered a line of stitches through both instances, things became complicated.

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