Yahoo Video Content : ScienceAlert : The Best in Science News and Amazing Breakthroughs

AI Detected a Mysterious Detail Hidden in a Famous Raphael Masterpiece

ScienceAlert Video — Thu, 29 Jan 2026 00:00:00 +0000

Seen in the top left of the Renaissance painting known as the Madonna della Rosa, St Joseph seems to stand out as a little different. Was he painted by Raphael, as thought, or did somebody else have a hand in the artwork.

In 2023, an AI neural network gave its answer.

Image credit: Gorodenkoff/Getty Images Signature/Canva/Modified

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Strange Metal From Beyond Our Planet Spotted in Ancient Treasure Stash

ScienceAlert Video — Fri, 23 Jan 2026 00:00:00 +0000

Amidst a cache of golden treasures from the Iberian Bronze Age, a pair of corroded objects might be the most precious of all, forged from a metal that fell from the sky.

Read more: https://www.sciencealert.com/strange-metal-from-beyond-our-planet-spotted-in-ancient-treasure-stash

Image credit: forplayday/Getty Images/Canva

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Earth's Flipping Magnetic Field Heard as a Sound Is an Unnerving Horror

ScienceAlert Video — Sat, 17 Jan 2026 00:00:00 +0000

The transformation of Earth’s magnetic field more than 40,000 years ago can be appreciated through a range of representations – maybe as a graph, a few tables, or perhaps an animation.

Researchers from the Technical University of Denmark and the German Research Center for Geosciences got a little creative and turned it into an unnerving horror of a sound.

Read more: https://www.sciencealert.com/earths-flipping-magnetic-field-heard-as-a-sound-is-an-unnerving-horror

Image credit: Elen11/Getty Images/Canva

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Blood of Exceptionally Long-Lived People Reveals Crucial Differences

ScienceAlert Video — Fri, 30 Jan 2026 00:00:00 +0000

We may not all have what it takes to see our 100th birthday, but scientists are taking a close look at the blood of centenarians to see what can be learned about the secret to a long and healthy life.

Read more: https://www.sciencealert.com/blood-of-exceptionally-long-lived-people-reveals-crucial-differences

Image: Talaj/Jannoon028/Getty Images/Canva

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Over 50% of Heart Attacks in Younger Women Aren't From Clogged Arteries

ScienceAlert Video — Sun, 28 Dec 2025 00:00:00 +0000

A study of nearly 1,500 heart attacks in people aged 65 or younger suggests we’ve dramatically underestimated the role of a range of causes, especially among women.

Read more: https://www.sciencealert.com/over-50-of-heart-attacks-in-younger-women-arent-from-clogged-arteries

Image credit: Sebastian Kaulitzki/Getty Images

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A Distinct New Type of Diabetes Is Officially Recognized

ScienceAlert Video — Sat, 27 Dec 2025 00:00:00 +0000

After decades of controversy, the International Diabetes Federation has officially recognized a fifth form of diabetes.

It’s now urging other health authorities, like the World Health Organization, to follow suit.

Read more: https://www.sciencealert.com/a-distinct-new-type-of-diabetes-is-officially-recognized

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Earth's Seasons Are Strangely Out of Sync, Scientists Discover From Space

ScienceAlert Video — Sat, 20 Dec 2025 00:00:00 +0000

Don’t let the calendar fool you – the arrival of spring, summer, fall, and winter isn’t as coordinated as we’d love to believe.

A study based on satellite imagery of changes in plant growth demonstrates just how little the seasons really do synchronize around us.

Read more: https://www.sciencealert.com/earths-seasons-are-strangely-out-of-sync-scientists-discover-from-space

Image credit: vencavolrab/Getty Images/Canva

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Most People Develop Diverticulosis in Their Gut by Age 80… So What Is It?

ScienceAlert Video — Sat, 20 Dec 2025 00:00:00 +0000

By the time most of us reach 80, the once-smooth lining of our digestive tract will be scattered with small, bulging pouches of tissue.

Is this a concern? Well, it depends.

Read more: https://www.sciencealert.com/most-people-develop-diverticulosis-in-their-gut-by-age-80-so-what-is-it-2

Image credit: selvanegra

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The Roots of Dementia Trace Back All The Way to Childhood, Experts Find

ScienceAlert Video — Sat, 13 Dec 2025 00:00:00 +0000

Long before the first symptoms emerge, risk factors for dementia could be present. From who you share the womb with, to the air you breathe, to the education you receive, it all adds up.

Read more: https://www.sciencealert.com/the-roots-of-dementia-trace-back-all-the-way-to-childhood-experts-find

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Rock Used as Doorstop For Decades Revealed to Be Worth Over $1 Million

ScienceAlert Video — Tue, 09 Dec 2025 00:00:00 +0000

We’ve all brought home a pretty pebble for our garden or to put to good use. A convenient ‘doorstop’ discovered by a woman in Romania last century turned out to be worth a small fortune.

Read more: https://www.sciencealert.com/rock-used-as-doorstop-for-decades-revealed-to-be-worth-over-1-million

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New Breakthrough to Strengthen Bone Could Reverse Osteoporosis

ScienceAlert Video — Mon, 01 Dec 2025 00:00:00 +0000

A switch that plays a crucial role in building stronger bones can be activated using a chemical called AP503, potentially informing treatments that could reverse osteoporosis.

Read more: https://www.sciencealert.com/new-breakthrough-to-strengthen-bone-could-reverse-osteoporosis

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Wild Pigs Turned 'Neon Blue' in California, Triggering Warnings

ScienceAlert Video — Sun, 30 Nov 2025 00:00:00 +0000

Read more: https://www.sciencealert.com/wild-pigs-turned-neon-blue-in-california-triggering-warnings

In 2025, hunters in California discovered the fat of wild pigs taking on a vibrant blue color – a sign that a deadly poison was at work in their flesh.

And it’s not the first time it’s happened, either.

Image: Kyslynskyy/Getty Images/Canva

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Your Poop Schedule Says a Lot About Your Overall Health, Study Shows

ScienceAlert Video — Sat, 29 Nov 2025 00:00:00 +0000

Read more: https://www.sciencealert.com/your-poop-schedule-says-a-lot-about-your-overall-health-study-shows

Some poops are too many. Some too few. A study published in 2024 on the frequency of number twos revealed a ‘Goldilocks zone’ of good bowel health.

Image: Azurita/Getty Images/Canva

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'Supergiant' Gold Deposits Could Be Worth Over US$80 Billion

ScienceAlert Video — Fri, 28 Nov 2025 00:00:00 +0000

With a combined mass of more than 2,200 US tons and a potential value in the tens of billions, two gold deposits being investigated in China could be the largest ever found inside the country’s borders.

Read more: https://www.sciencealert.com/supergiant-gold-deposits-could-be-worth-over-us80-billion

Image: Hartono Creative Studio/Pexels/Canva

#gold #mining #china

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Scientists Discover Speech Trait That Foreshadows Cognitive Decline

ScienceAlert Video — Thu, 27 Nov 2025 00:00:00 +0000

Hints of cognitive decline could be hiding in your speech, but perhaps not quite in the way you might imagine.

A study from 2023 suggests that as we age, how we say something may matter more than what we say when it comes to signs of Alzheimer’s disease.

Read more: https://www.sciencealert.com/scientists-discover-speech-trait-that-foreshadows-cognitive-decline

Image: Tero Vesalainen/Getty Images #alzheimersdisease #speech #health

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Scientists Reveal Turning Point When Your Body's Aging Accelerates

ScienceAlert Video — Wed, 26 Nov 2025 00:00:00 +0000

You might have but one birthday a year, but there is a stage in life where the years seem to all come at once. A study published by scientists at the Chinese Academy of Sciences in 2025 uncovered a critical period where aging picks up speed.

Read more: https://www.sciencealert.com/study-reveals-turning-point-when-your-bodys-aging-accelerates

#aging #health #science

Image: Nick Dolding/Getty Images

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Human Arms Keep Growing an Extra Artery, Showing We're Still Evolving

ScienceAlert Video — Fri, 07 Nov 2025 00:00:00 +0000

Forget pointy ears, grey skin, or bug eyes. The human of tomorrow may have a third artery in their arm, according to a study on our anatomy.

Read more: https://www.sciencealert.com/humans-evolving-a-median-forearm-artery

#anatomy #science #evolution

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After 60 Years, Diabetes Drug Found to Unexpectedly Affect The Brain

ScienceAlert Video — Sun, 23 Nov 2025 00:00:00 +0000

Used to treat diabetes for more than 60 years, metformin is believed to act on the liver.

Yet other studies have found that it acts through the gut. A study published in 2025 may have found yet another target for the drug.

Read more: https://www.sciencealert.com/after-60-years-diabetes-drug-found-to-unexpectedly-affect-the-brain

#diabetes #metformin

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One Form of Exercise Improves Sleep The Most, Study Finds

ScienceAlert Video — Sat, 22 Nov 2025 00:00:00 +0000

Which would help you get the best night’s sleep; yoga, a brisk walk, or aerobics? Maybe tai chi? Or a combination workout?

Researchers at the Harbin Sport University in China investigated, and came to a surprising conclusion.

Read more: https://www.sciencealert.com/one-form-of-exercise-improves-sleep-the-most-study-finds

#sleep #exercise

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Tinnitus Is Somehow Linked to a Crucial Bodily Function

ScienceAlert Video — Thu, 20 Nov 2025 00:00:00 +0000

Commonly caused by damage to the inner ear, a high-pitched ‘ringing’ in the ears may have a surprising connection to the brain’s sleep centers.

Learning more about it could one day inspire treatments that bring relief to millions.

Read more: https://www.sciencealert.com/tinnitus-is-somehow-linked-to-a-crucial-bodily-function

Image credit: Victor Habbick visions/Science Photo Library/Canva

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