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Science
- Letters: Dr Simon Williams says the former health secretary shows a worrying lack of understanding; Verity Gibson finds his views insulting. Plus letters from Jude Geddes and Dr Jon Scales
- A Google employee raised the alarm about a chatbot he believes is conscious. A philosopher asks if he was right to do so
- Leaves of species grown at Kew Gardens can reach up to three metres in the wild
- Formation of solid iron core 550m years ago restored magnetic field and protected surface
- We tax cigarettes and sugary sodas because they’re bad for you. We should tax companies that put carcinogens in the environment
- Ian Sample speaks to epidemiologist Nicholas Grassly to find out how worried we should be about poliovirus in London sewage, and what it means for the global effort to eradicate polio.
- Madeleine Finlay speaks to UK technology editor Alex Hern about how his identity was stolen to flog a doomed cryptocurrency, and what it revealed about scams, gambling and the culture of digital, decentralised coins
- Phoebe Weston talks to Ian Sample about whether wolves have the power to regenerate landscapes – and what that means for the reintroduction debate
Key issues
- A new wave of scientists argues that mainstream evolutionary theory needs an urgent overhaul. Their opponents have dismissed them as misguided careerists – and the conflict may determine the future of biology
- 2 out of 5 stars.
BiologyOde to the Spring review – Chinese exploration of pandemic ground zero in Wuhan
2 out of 5 stars.Telling five Covid-related stories, this platitudinous urban-interconnection drama offers lectures on virtue and self-sacrifice and feels like state propaganda
Multimedia
- Ian Sample speaks to epidemiologist Nicholas Grassly to find out how worried we should be about poliovirus in London sewage, and what it means for the global effort to eradicate polio.
- A giant waterlily at Kew Gardens is the first discovery of its type in more than a century. Scientists at Kew suspected there could be a third species for decades and worked with researches in Bolivia to see if their thesis was correct.
The tiny robot-fish removes microplastics from seas and oceans by swimming around and adsorbing them on its soft, flexible, self-healing body.
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