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Science/Tech

Changes in solar energy fuelled high speed evolutionary changes, study suggests

26 November at 08:00 AM, via The Guardian

Cause of oxygen fluctuations that drove explosion of weird and wonderful inhabitants 500m years ago linked to changes in Earth’s orbit

Just over 500m years ago life on Earth got souped-up, going from simple single-celled organisms to sophisticated multicellular lifeforms. The Cambrian explosion produced an array of weird and wonderful new inhabitants, such as the five-eyed opabinia and the...

Being a famous singer raises risk of early death, researchers say

26 November at 01:30 AM, via The Guardian

Lead singers in bands fare better than solo artists, but fame – rather than lifestyle or job itself – seems to be major factor

For those who hanker for the limelight, be careful what you wish for: shooting to stardom as a lead singer really does raise the risk of an early death, researchers say.

Their analysis of singers from Europe and the US found that those who rose to fame died on average...

Study claims to provide first direct evidence of dark matter

26 November at 01:00 AM, via The Guardian

Astrophysicist Prof Tomonori Totani says research could be crucial breakthrough in search for elusive substance

Nearly a century ago, scientists proposed that a mysterious invisible substance they named dark matter clumped around galaxies and formed a cosmic web across the universe.

What dark matter is made from, and whether it is even real, are still open questions, but according to a study,...

The shameful attacks on the Covid inquiry prove it: the right is lost in anti-science delusion | Polly Toynbee

25 November at 13:52 PM, via The Guardian

There is nothing wrong with questioning the mighty cost of the lockdowns, but we can’t let hardline libertarians rewrite Britain’s pandemic history

That number will stay fixed for ever in public memory: 23,000 people died because Boris Johnson resisted locking the country down in time. As Covid swept in, and with horrific images of Italian temporary morgues in tents, he went on holiday and took...

Canva sets up shop in South Africa

25 November at 13:15 PM, via TechCentral

Canva has opened a regional office in Johannesburg as part of a wider Africa growth strategy.

Antibiotic resistance: how a pioneering trial is using old drugs to save babies from sepsis

25 November at 13:00 PM, via The Guardian

The infection is responsible for 800,000 newborn deaths each year, but clinics in eight countries are working together to find new treatments

Just a few minutes from the turquoise waters of Kenya’s Kilifi Creek, a world away from the tourists enjoying their time on the estuary, a team of clinicians, technicians and microbiologists is helping to shape a new era of care for newborns.

NeoSep1 is a...

Brain has five ‘eras’, scientists say – with adult mode not starting until early 30s

25 November at 12:00 PM, via The Guardian

Study suggests human brain development has four pivotal ‘turning points’ at around the ages of nine, 32, 66 and 83

Scientists have identified five major “epochs” of human brain development in one of the most comprehensive studies to date of how neural wiring changes from infancy to old age.

The study, based on the brain scans of nearly 4,000 people aged under one to 90, mapped neural...

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