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12 articles from Guardian Unlimited Science

UK Covid: Johnson urges people to take unlocking ‘as slowly as we can’ amid 34,471 new cases – as it happened

This live blog is now closed. For more coronavirus news from around the world, head to our global Covid blogPM urges Covid caution as hospitalisations could hit at least 1,000 a dayWhat Sage says about impact of PM’s plan to ease restrictions in EnglandBusinesses urged to check people’s Covid status as reopening confirmedWhitty says there is no ideal time to lift restrictionsJavid confirms...

Virgin Galactic shares fall after $500m stock sale announcement

Fundraising decision comes only a day after Richard Branson took a flight to the edge of spaceShares in Virgin Galactic have fallen back to earth with a bump after an announcement by the spaceflight firm of its plans to sell up to $500m (£360m) of stock – only a day after the company’s founder, Richard Branson, completed a flight to the edge of space.Virgin Galactic’s share price had risen...

Did you solve it? Oxford university admissions questions

The answers to today’s logical conundrumsEarlier today I set the following three puzzles, which have all been set during Oxford university admissions interviews for joint philosophy courses. In each case, there is an initial question, which almost all candidates answer correctly. The follow-up questions are more challenging.1. Stephanie’s surprise. Continue...

Two-thirds of couples start out as friends, research finds

Average length of friendship before relationship turns romantic is 22 months, study saysWhen Harry first met Sally, he asserted men and women could not be friends because the “sex part always gets in the way”.But new research suggests roughly two-thirds of couples start out as friends and maintain a platonic relationship for long periods before sparking a romance. Continue...

What science has to say about talking to yourself in lockdown | Charles Fernyhough

When none of the usual people are around to have a conversation with, ‘private speech’ can be helpful as well as funCamille remembers the first time she noticed talking to herself out loud. “It was almost like, ‘Oh, that’s my voice’, in a way that I wouldn’t have thought of it if I’d been speaking in a meeting. I was usually reporting on what I was doing. I might say, ‘Go on,...

Hygiene theatre: how excessive cleaning gives us a false sense of security

Covid-19 is a mainly airborne disease. So does our endless disinfecting and hand sanitising serve any purpose – or could it be worse than useless?Claudia, a 26-year-old beauty worker, dreads it when her clients ask to go to the toilet. “It’s a whole other thing to clean,” she says. “They could have touched anything in there. I have to wipe down the whole thing with antibacterial spray...

Can you solve it? Oxford university admissions questions

Brainteasers for budding philosophersDo you have what it takes to study philosophy at Oxford? Today’s three puzzles are ‘epistemic logic puzzles’, that is, puzzles concerned with reasoning about knowledge. But I know you know I know you know that.All three puzzles have been set in recent years during Oxford university admissions interviews for joint philosophy degrees. In each case, there is...

Health campaigners call for an end to the use of the word leper

Derogatory use of the “L-word” has increased during Covid and is said to be further marginalising people with the curable diseaseHealth campaigners are calling for an end to the use of the word leper, saying the language frequently used by politicians and others during the pandemic has made people with leprosy even more marginalised.The metaphor of the socially outcast “leper” has been...

Long Covid: rogue antibody discovery raises hope of blood test

Test could be available from GPs within six months, as scientists warn of ‘a lot of damage to a lot of lives’Scientists have raised hopes of a blood test for long Covid after discovering distinctive patterns of rogue antibodies in patients whose symptoms persisted for months.Researchers at Imperial College London identified so-called “autoantibodies” in long Covid patients that were absent...

Flu jab may reduce severe effects of Covid, suggests study

Analysis of 75,000 coronavirus patients found fewer major health problems among people with flu jabCoronavirus – latest updatesSee all our coronavirus coveragePeople who are vaccinated against influenza may be partly protected against some of the severe effects of coronavirus, and be less likely to need emergency care, according to a major study.The analysis of nearly 75,000 Covid patients found...

Starwatch: Now is the time to follow the Milky Way

In the northern hemisphere, summer is the best time to see the centre of the galaxy – the combined light of billions of starsThis week, and indeed throughout the month, grab a clear night to stay up late and trace out the Milky Way. Northern summer is the best time to see the centre of the galaxy. Continue...