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5 articles from Guardian Unlimited Science

Top medical advisers arguing for tighter coronavirus restrictions in England

Sir Patrick Vallance and Prof Chris Whitty fear deaths this winter could exceed those in springCoronavirus – latest updatesSee all our coronavirus coverageSir Patrick Vallance and Prof Chris Whitty, the government’s top scientific and medical advisers, are understood to be arguing hard with ministers for tighter restrictions across England ahead of Christmas.The pair are calling for tougher...

10% of England's population could be tested for Covid-19 every week

Exclusive: NHS test and trace asks public health directors to sign up to rapid saliva testing planCovid testing: does Operation Moonshot have a shot at success? Coronavirus – latest updatesUp to 10% of England’s population could be tested for coronavirus every week after government officials asked local health chiefs to deploy 30-minute saliva kits in an acceleration of Boris Johnson’s...

Get up and go: is 54 really the age we lose our passion for life?

You need a combination of passion and grit to maintain a positive mindset. But a Norwegian study has found that by the time we reach our mid-50s we don’t seem to possess bothName: Get Up and Go.Appearance: Lively, bold, adventurous. Age: 54.I could swear the concept is older than that. Apparently not. Are you saying that until 54 years ago there was no such thing as get up and go? No, I’m...

First winged reptiles were clumsy flyers, research suggests

Analysis of early Pterosaurs fossils shows they are likely to have been ungainly in flightPterosaurs, such as pterodactyl, are some of the largest animals ever to have taken to the skies, but the first reptile aviators were clumsy flyers, only capable of travelling short distances, a study suggests. The research may also shed new light on the evolution of flight more generally.Pterosaurs evolved...

Understanding 'aerosol transmission' could be key to controlling coronavirus | Julian Tang

We should still wash our hands, but growing evidence suggests one of the main ways Covid spreads is through the airCoronavirus – latest updatesSee all our coronavirus coverageImagine you think there are mice in your house. You can see the evidence – mouse droppings; gnawed or damaged skirting boards; holes left in food packaging. You call a local pest control team who confirm that you have...