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Genetically engineering tobacco plants could enable a more sustainable production method for psychedelic drugs, which are increasingly in demand for research and medical uses

Photographer Lalo de Almeida has been documenting the industrialisation taking place in the Amazon rainforest after the Brazilian government relaxed environmental controls

No matter where you get your food from, a good chunk of your diet is ultimately reliant on fossil fuels. We already need to change this to tackle climate change, but the Iran war and resulting oil shortage is showing the urgent need to rethink food

Ducks with corkscrew penises, fish changing sex – what do we really know about sex and reproduction on Earth? Less than we think, reveals a mind-boggling new book. Elle Hunt explores

A psychedelic experience set author Michael Pollan on a quest to understand consciousness in his new book A World Appears. He tells Olivia Goldhill what he learned – and how it changed him

The books, TV, games and more that New Scientist staff have enjoyed this week

Feedback is delighted to discover a study analysing the use of humour at scientific conferences – but disappointed to find a distinct lack of it

Traditional encryption methods have long been vulnerable to quantum computers, but two new analyses suggest a capable enough machine may be built much sooner than previously thought

In a shift that is reshaping entire ecosystems, the open oceans are letting less light in. We don't fully understand the consequences yet, but there is still hope, says oceanographer Tim Smyth

The third right arm of male octopuses has a specialised role in mating, and the creatures take extra care to avoid damaging it or losing it to a predator

April has a lot to offer when it comes to popular science reading, promising to help us do everything from future-proof our brains courtesy of Hannah Critchlow, to get to grips with really big numbers, thanks to Richard Elwes

A virus seems to have jumped from marine animals into people for the first time ever, and it is causing serious vision problems

Plug-in solar panels are a cheaper, simpler alternative to professionally installed panels. But can they really reduce energy bills and are they safe? Matthew Sparkes investigates

A study based on tree rings claimed that droughts played a role in events that led to the Roman withdrawal from Britain, but other researchers say that isn't backed up by historical evidence

A collection of stories set in George R. R. Martin’s Wild Cards universe and a novel from The Expanse author James S. A. Corey are among the science-fiction books we’re looking forward to this month

The muon collider was once dismissed as impossible, but is now gaining steam as the successor to the Large Hadron Collider. If built, it could offer a new window to reality 

The immune system going rogue and attacking healthy tissue seems to behind some cases of long covid, a discovery that could open doors towards treatments

Improved hardware can send ten times as much data through existing fibre-optic cables, potentially providing a way to massively upgrade the internet's infrastructure without the cost and inconvenience of laying any new cables

NASA’s Artemis II mission will be the first time humans have been around the moon in half a century, and its next launch window opens on 1 April

The science suggests that olive oil can help us fight cognitive decline and even Alzheimer’s. Columnist Helen Thomson finds that only works if we choose the right kind