Several major online platforms have been taken offline following a Cloudflare outage.

Spotify, X, Facebook and Canva were all hit when the network broke down in what the company called an “internal service degradation”.

A magnetic micro robot that can travel through tiny blood vessels to deliver medication right where it’s needed has been developed by scientists in Switzerland.

We speak to professor of Robotics and Intelligence Systems at the Swiss Federal Institute of Technology in Zurich Brad Nelson about the new technology, and how it could impact treatment for stroke and brain tumour patients.

Also in this episode: 

• Google CEO Sundar Pichai says no company "including us” would be immune if the AI bubble bursts
• Brit ordered to repay £4m million in cryptocurrency after hacking celebrity social media accounts
• Cambridge researchers warn AI could become a “cognitive poison” in schools without a radical rethink of how education is delivered and assessed
• UK volcanic rocks coils turn CO2 into stone locking away decades of industrial emissions
• IBM and UFC debut an AI system that gives real-time stats to commentators

This episode’s thumbnail image shows how small the latest ETH micro robot is. Credits: Luca Donati / lad.studio Zürich

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