New Scientist

Warming temperatures and more variable rainfall are reducing diet diversity among children in many countries – and may even undermine efforts to improve food security

The debate over whether coronavirus spreads more through surfaces or aerosols is ongoing, but scientists and campaigners are now calling for tighter precautions to limit airborne spread

Though 76 per cent of people in Manaus, Brazil have covid-19 antibodies, the virus is spreading quickly – potentially fuelled by a new variant – which may mean herd immunity by infection is not possible

NASA’s Cassini mission spotted a strange signal coming from Saturn’s second-largest moon Rhea – it may be from hydrazine, a compound often used in rocket fuel

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The number of bee species appears to have declined sharply in the past 30 years, which could mean many types of bee are extinct or so rare that no one has recording a sighting

Modelling suggests that if climate change continues at current rates, the amount of land in extreme drought could more than double by 2100, while the number of people affected could more than triple

An artificial intelligence that can grade the skill of a pianist with near-human accuracy could be used in online music tutoring

Ammonites were swimming molluscs in the dinosaur age, and now we have found a fossil of one without its distinctive spiral shell – perhaps because it was attacked by a predator

Dogs with certain kinds of behavioural problems are more likely to show improvement during behaviour modification therapy if their owners are extroverts and open-minded

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

Equations show that jumping at 60 degrees relative to the horizontal helps insects avoid hitting obstacles – a finding that might help in the design of space exploration rovers

You may lose weight on either a low-fat or low-carb diet, but following a low-fat diet seems to encourage people to consume fewer calories on average

Astronomers have spotted a sextuple star system – in which six stars orbit each other – by watching the stars eclipse each other when viewed from our solar system

Global carbon dioxide emissions from cars are growing because higher numbers of SUVs are cancelling out the reduction due to higher numbers of electric cars

As the new coronavirus evolves, it could follow the same path as other coronaviruses we live with already, becoming far less deadly in the future

A robot that mimics the way squid move is most efficient when it operates with a particular rhythm

Nnedi Okorafor's Remote Control mixes West African folk tales with a sci-fi mystery in a futuristic version of Ghana, as a young girl finds a meteor and gains a deadly power

Lack of diversity in genome studies means that treatments derived from them are leaving people of colour behind. Changing that isn’t only about justice – it could also lead to new therapies that would otherwise go undiscovered

Ugo Mellone captured the first ever high-resolution image of a rare Cuvier's gazelle (and her calf) in a desert environment using a technique called photo trapping