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As marine life pays the price for ecosystems wrecked by humans and climate change, attempts to save some mammals makes troubling viewing in a striking debut documentary at the Berlin International Film Festival

Pedestrians should wear radar reflectors to avoid being hit by self-driving cars, says a team of researchers that has created a device to make people more visible to a vehicle’s artificial intelligence

The latest coronavirus news updated every day including coronavirus cases, the latest news, features and interviews from New Scientist and essential information about the covid-19 pandemic

As plans are made for international travel to resume, covid-free countries may have to achieve herd immunity through vaccination before letting the rest of the world in

The Photonic Laser Thruster can move a 750-gram object along a low-friction rail – a small step to using the technology to push satellites rapidly between planets

Astronomers may have detected a planet around one of our closest stars that is potentially the second hottest exoplanet ever found

People with lasting symptoms after a covid-19 infection, known as long covid, are more likely to recover than get worse after receiving a vaccine, according to an online survey

Human brains have neurons related to specific people, called grandmother cells, and now these have also been identified in artificial neural networks

The second world war left a major mark on the genetic composition of Finland, researchers have found, though the work may not have included minority ethnic groups

The latest coronavirus news updated every day including coronavirus cases, the latest news, features and interviews from New Scientist and essential information about the covid-19 pandemic

Analysis of ancient DNA shows that a genetic variant that increases susceptibility to tuberculosis has drastically decreased in Europe since the Bronze Age

To better hear a male’s mating call, some female frogs have noise-cancelling lungs, which resonate at frequencies that filter out the sounds of other species

When an egg is heated, its proteins unfold and form bonds with each other – an X-ray analysis has shown this happening on the micrometre scale over the first 160 seconds of cooking

Artificial intelligence built by Facebook has learned to classify images from 1 billion Instagram photos. The AI used a different learning technique to many other similar algorithms, relying less on input from humans.

Consumer food waste hit 931 million tonnes in 2019, 17 per cent of global production. Although this figure includes non-edible waste such as bones, it suggests huge amounts of food are going uneaten

Recordings reveal that the Brazilian Amazon sounds different after it has been burned several times, suggesting acoustic monitoring as a tool to measure ecosystem degradation

Renewable energy supplier Bulb has created a specific off-peak tariff for electric cars and an app to simplify how people charge their vehicles

A robot that looks like a bird, flaps its wings like a bird and flies like a bird could be used as a stealthy, camouflaged drone

Why time only flows forwards is one of the great mysteries of physics. A new idea suggests that it actually went in two ways from the big bang – and, even more radically, that time emerges not from entropy, but from the growth of structure

These strikingly beautiful images are shortlisted in the UK Institute of Cancer Research’s Science and Medical Imaging Competition and show a wealth of techniques at work