# 39: Science Highlights Daily | 2018-09-23

This is a curated articles about the latest discoveries in science and interesting articles tackling technology and society.

Infinity war: The ongoing battle over the world’s hardest maths proof: Douglas Heaven

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The new claims are a blow for the theory – but the ongoing saga of a fiendish 500-page proof could expose fundamental flaws in the way mathematicians work

Stupid AI: How humans can stop machines from falling for visual tricks: Douglas Heaven

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Adversarial images that trick computers into seeing what isn’t there are a big problem for AI – but mimicking human perception might provide a fix

A tiny robotic capsule could roam your intestines and suck up mucus: Douglas Heaven

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A small robot could travel through your gut and collect mucus in a vacuum bag to help make diagnosing stomach diseases safer and less painful

Famed mathematician claims proof of 160-year-old Riemann hypothesis: Gilead Amit​

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Michael Atiyah, a famed UK mathematician, claims that he has a "simple proof" of the Riemann hypothesis, a key unsolved question about the nature of prime numbers

Subliminal messages can make you forget memories without realising: Lea Surugue

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Being told not to remember something makes you less likely to remember it in future – and now a study has found this can happen without you even realising it

Zapping your guts with electricity can help relieve constipation: Alice Klein

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Passing a gentle electric current through the abdomen encourages bowel movements in people with chronic constipation, a clinical trial has found

Earliest known animal was a half-billion-year-old underwater blob: Alice Klein

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The weird ‘Ediacaran’ fossils have stumped scientists for decades - now fat molecules found inside some of them confirm they are the most ancient animals we know

Divers are attempting to regrow Great Barrier Reef with electricity: Alice Klein

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It may be possible to restore damaged parts of the Great Barrier Reef by electrically stimulating coral fragments grown on underwater metal frames

Animals can count, but can’t read numbers – and now we know why: Andy Coghlan

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Humans but not animals learn that symbols like ‘2’ and ‘4’ represent numbers by recruiting a unique set of neurons to identify them

Octopuses taking MDMA get all huggy and loved-up with each other: Michael Le Page

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Octopuses respond to ecstasy in the same way as we do, suggesting the basis for social behaviour evolved more than 500 million years ago