Considering the benefits of modern-day sanitation, vaccinations and healthcare, the likelihood of getting sick from our shoes is ‘infinitesimally small as to almost be unwarranted’. Photograph: iStock

Maybe you kick off your shoes at home because you don’t want to track dirt across clean carpets or floors, or maybe it’s just a relief to shed them. (...)

The  most important advice: Do not check your sleep data on a regular basis. Photograph: Andrey Popov/iStock

For the last two weeks, I’ve added an extra step to my bedtime routine – strapping a computer around my wrist. The new nightly move was prompted by a(...)

Civic workers carry out fumigation in Bangalore, India. Photograph:  Jagadeesh NV/EPA

Climate change is poised to increase the spread of dengue fever, which is common in parts of the world with warmer climates like Brazil and India, a n(...)

Katie Bouman was among a team of 200 researchers who contributed to the breakthrough to create the photograph of a black hole. Photograph: MIT CSAIL

As the first-ever picture of a black hole was unveiled this week, another image began making its way around the internet: a photo of a young scientist(...)

Regular cleaning of your laptop is   a no brainer and is even more paramount if you’re not the only user.  Photograph: Getty

Just how dirty can a laptop be? Well according to researchers at the University of Arizona, they’re filthy and can harbour 400 times more bacteria tha(...)

‘The draw or pull of a smartphone is connected to very old modules in the brain that were critical to our survival, and central to the ways we connect with others are self-disclosure and responsiveness’

Here is a new word for you: technoference. This is what academics are calling the growing body of research on how modern technology is impacting upon (...)

Artist’s impression showing how J043947.08+163415.7 may look close up. Photograph: ESA/Hubble/Nasa/M Kornmesser/PA Wire

The Hubble telescope has discovered the brightest quasar ever seen in the early universe. The quasar has the brightness of about 600 trillion suns. A(...)

The unprecedented frequency and intensity of recent fires, as we have seen recently in California, is causing “abrupt, dramatic change”, Falk says. Photograph: Josh Edelson/AFP/Getty Images

“Climate change is a game-changer for ecological restoration. We are having to restore into a world that does not yet exist,” according to leading res(...)

An exercise class  off the coast of Marseille on Tuesday as a heatwave continues across northern Europe, with wildfires breaking out in northern Scandinavia and Greece. Photograph: Boris Horvat/AFP/Getty Images

Rising global temperatures caused by human activity are making the heatwaves gripping the northern hemisphere more likely, scientists warn. Extreme h(...)

We are now learning precisely why running can return focus, vanquish stress and improve mood

It may seem obvious – as you push on through a long run, veering wildly between sensations of agony and elation – that running can have a huge effect (...)

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