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Science/Tech

Nosy researcher’s quest to map the world’s ‘smellscapes’

25 December 2025 at 19:00 PM, via The Guardian

We can share images and sounds, so why not smells? Dr Kate McLean-MacKenzie hopes her new atlas will make scents

Christmas may be associated with the aromas of oranges and mince pies but our towns and cities also boast special scents during the rest of the year. Now, one researcher is publishing an atlas attempting to capture these quirky “smellscapes”.

Dr Kate McLean-MacKenzie, a designer and...

Blood test could predict who is most at risk from common inherited heart condition

25 December 2025 at 15:00 PM, via The Guardian

Exclusive: Scientists find a way to forecast hypertrophic cardiomyopathy, which affects millions worldwide

Scientists are developing a simple blood test to predict who is most at risk from the world’s most common inherited heart condition.

Millions of people worldwide have hypertrophic cardiomyopathy (HCM), a disease of the heart muscle where the wall of the heart becomes thickened. It is...

Concerns about ageing society ignore huge opportunities, says population expert

25 December 2025 at 14:00 PM, via The Guardian

Sarah Harper says society must create new ways of living and working amid potential ‘silver economy’

Concerns over an ageing population are overblown and society should learn to celebrate and capitalise on its “massive cohort of healthy, active, older, creative adults”, a leading population expert has said.

While pundits and pressure groups have raised concerns over falling fertility rates,...

Revisited: is curiosity the key to ageing well? – podcast

25 December 2025 at 07:00 AM, via The Guardian

Psychologists have typically believed that we become less curious as we age, but recent research has shown curiosity actually becomes more targeted and specific in our later years. In this episode from September, Madeleine Finlay hears from Dr Mary Whatley, an assistant professor of psychology at Western Carolina University, and Dr Matthias Gruber of Cardiff University’s Brain Research...

Throwing out flame-retardant furniture can reduce toxic chemicals in blood, study finds

24 December 2025 at 16:00 PM, via The Guardian

Flame retardants commonly used in furniture are linked to serious health issues, including cancer and thyroid disease

Removing old furniture made with flame retardants from people’s homes can significantly reduce the amount of the toxic chemicals in blood, a new 10-year, peer-reviewed study by California regulators and public health groups has found.

The drop that researchers found was a...

Handy Phone Features Can Save You Holiday Time

24 December 2025 at 12:02 PM, via New York Times

Try these useful shortcuts for sharing your Wi-Fi with guests, wrangling your to-do list or deciding what to do with family and friends.

Cracker jokes and custard chemistry: ways to smuggle science into Christmas

24 December 2025 at 11:00 AM, via The Guardian

Researchers share the easy ways to uncover moments of festive discovery, proving you don’t need a lab coat to experiment this Christmas

Christmas may seem like a time for switching off and suspending disbelief but there are plenty of ways to introduce a little science into the celebrations.

We asked experts for their top home experiments to challenge friends and family.

Continue reading…

The medieval Oxford friar who worked out the makeup of planets and stars

24 December 2025 at 08:00 AM, via The Guardian

Richard Fishacre used his knowledge of light and colour to argue against ‘fifth element’ theories of the day

About 800 years ago, Richard Fishacre, a Dominican friar at the University of Oxford, challenged the scientific thinking of the day, using his understanding of the behaviour of light to show that stars and planets are made of the same elements as found on Earth. Though he faced heavy...

Crayfish, weevils and fungi released in UK to tackle invasive species such as Japanese knotweed

24 December 2025 at 07:00 AM, via The Guardian

Scientists working for government breed biological control agents in lab to take on species choking native wildlife

Crayfish, weevils and fungi are being released into the environment in order to tackle invasive species across Britain.

Scientists working for the government have been breeding species in labs to set them loose into the wild to take on Japanese knotweed, signal crayfish and...

How Much Water Does the A.I. Industry Use?

23 December 2025 at 20:43 PM, via New York Times

Kevin Roose and Casey Newton, the hosts of “Hard Fork” at The New York Times, spoke with Andrew Marley, executive director for Effective Altruism DC, about how much water A.I. data centers use.

It’s a Hard Forkin’ Christmas!

23 December 2025 at 20:21 PM, via New York Times

The “Hard Fork” co-hosts Kevin Roose and Casey Newton sing an original, tech-inspired rendition of “The Twelve Days of Christmas.”

Scientists create replica human womb lining and implant early-stage embryos

23 December 2025 at 18:00 PM, via The Guardian

Studying chemical chatter as tiny balls of cells embed could shine a light on early pregnancy and glitches that lead to miscarriage

Researchers have created the lining of a womb in a dish, which promises to shed light on the mysterious early stages of human pregnancy and the glitches that can lead to miscarriage and medical complications.

In laboratory experiments, early-stage human embryos...

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