Living electrodes for linking brains to computers tested in rats

Neurons genetically modified to respond to light have been successfully implanted into rats, and could provide a better and longer-lasting way to link brains with computers

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Covid-19 news: Infections were ramping up before England lockdown

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

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Animals infected with covid-19 could undo efforts to stop the pandemic

Mink are the latest animal to be infected with covid-19, risking the prospect of a dangerous mutation that could pass back to humans. While the threat is small, there are many reasons that animals catching the coronavirus is bad news

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What a Biden presidency means for covid-19, climate change and tech

US president-elect Joe Biden has said he will “listen to science” as he promised to take new stances on tackling covid-19, climate change and other key issues.

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Beware those who promise you that the pandemic will be over soon

We must stop thinking short term and plan accordingly, including ensuring test, trace and isolate systems work effectively

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Is a dangerous new coronavirus strain circulating in farmed mink?

The Danish government has ordered the slaughter of all farmed mink in the country after the reported discovery of a mutant form of coronavirus in the animals. It has already spread to humans

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Covid-19 news: Earlier lockdown in England would have ‘saved lives’

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

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Do potatoes and tomatoes make rheumatoid arthritis worse?

Claims that solanine, a toxic compound found in many plants, exacerbates arthritis are a staple of health columns – but there’s no sound science to back this up, finds James Wong

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How the US response to covid-19 broke its world-class health agencies

A series of bad decisions and ill-judged policies, coupled with unrivalled political interference, has led to the FDA and CDC losing the trust of the public and scientists

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Malaria parasite hides in human blood by changing how its genes work

Plasmodium falciparum, a malaria-causing parasite, can live undetected in the human bloodstream for months by changing the way its genes are expressed

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We must hold a steady course on our response to covid-19

Cutting transmission of the coronavirus is vital to prevent hospitals being overwhelmed and schools shutting, but also to stop it evolving

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CRISPR weapon spread by bacterial sex could destroy deadly superbugs

Bacteria armed with a CRISPR-based weapon that infects other microbes during the bacterial equivalent of sex could help us kill off dangerous antibiotic-resistant superbugs – if regulators approve their use

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Viruses have busy social lives that we could manipulate to defeat them

The coronavirus and others are no lone wolves, they cooperate and compete with one another. Understanding these social interactions could help us fight them

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You can manage your covid-19 risk by setting your own ‘contact budget’

When it comes to covid-19, we all have different levels of risk we're comfortable with. Setting a weekly "contact budget" can make it easier to decide which risks are worth taking

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US election 2020: Trump's impact on the environment, health and space

Whatever the outcome of the US presidential election, Donald Trump is likely to have a lasting impact on the nation's health, environmental regulations and space exploration

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Is the coronavirus evolving and will it become more or less deadly?

So far, we haven't seen much change in the coronavirus, but as we develop more therapies and potentially a vaccine it could mutate

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Your covid-19 risk: How to navigate this new world of uncertainty

Baffling statistics and their impact on our emotions can make it hard to evaluate risk in this pandemic. But there are simple steps you can take to put risk in context and feel more confident in your decisions

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India's coronavirus pandemic is leading to many more deaths from TB

The coronavirus pandemic has made it harder for people in India to access healthcare for tuberculosis and 87,000 additional deaths due to TB are expected this year

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Plastic baby bottles shed millions of microplastics when shaken

The plastic bottles used to feed babies shed an average of 4 million microplastic particles per litre into infant formula, but the impact on child health is unclear

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Should we plan for regular 'circuit breaker' coronavirus lockdowns?

Planning regular two-week lockdowns could be better than reacting to changing covid-19 case numbers, some scientists argue - but the UK may have left it too late for this strategy

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