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Dec 24, 2023

A Grave Warning About Antarctica Is Encoded in Octopus DNA

Posted by in categories: biotech/medical, health

Ocean bays that pinch West Antarctica are home to two distinct populations of Turquet’s octopus (Pareledone turqueti). The shared secrets of their ancestors do not bode well for the future health of our planet.

A new DNA analysis of the two geographically separated octopus populations indicates they were once part of one big family.

This direct historical connection suggests that around 125,000 years ago, the massive 2.2 million cubic kilometer (530,000 cubic mile) West Antarctic Ice Sheet (WAIS) that separates the two bays had fully collapsed into the sea.

Dec 24, 2023

Discovery of new material is ‘giant leap’ towards clean energy production and colonisation of Mars

Posted by in categories: energy, nanotechnology, space, sustainability

Scientists have developed a new material from a mineral abundant on Mars that they claim could open the door to sustainable habitation on the red planet.

Researchers assessed the potential of a type of nanomaterials – ultrasmall components thousands of times smaller than a human hair – for clean energy production and building materials on Mars.

The study, published in the journal Advanced Functional Materials, found that a material typically considered a waste product by NASA can be altered to provide clean energy and sustainable electronics.

Dec 24, 2023

Scientists just had a 20-minute ‘conversation’ with a humpback whale

Posted by in categories: alien life, innovation

Researchers have had an unprecedented and exceptional encounter with a humpback whale, allowing them to learn more about humpback whale communication systems. The encounter happened earlier this year when a group of researchers known as Whale-SETI held a 20-minute “conversation” with a humpback named Twain.

The conversation is heavily detailed in a paper published in the journal Peer J and it showcases the first conversation between humans and humpback whales using “humpback language.” To pull off such a wonderful breakthrough, researchers used a recorded humpback contact call to get Twain’s attention. From there, the whale responded with a greeting signal and began to circle their boat.

Continue reading “Scientists just had a 20-minute ‘conversation’ with a humpback whale” »

Dec 24, 2023

The Mystery of the Paulding Light: Unveiled by Science

Posted by in categories: engineering, science, space

The Paulding Light, a perplexing glow in the Michigan sky, has fueled folklore with its eerie nightly appearances since the 1960s. What was once thought to be a ghostly signal has turned into a case study for scientific inquiry. A team of Michigan Tech students, led by Jeremy Bos, a PhD candidate in electrical engineering, undertook a methodical investigation to expose the truth behind the spectral luminance that intrigued both locals and visitors in Michigan’s Upper Peninsula.

Their rigorous scientific approach involved telescopes, spectrographs, and atmospheric modeling, which demystified the paranormal claims. By observing the phenomenon through a telescope, the researchers identified the lights as nothing more than the headlights and taillights of vehicles on a distant stretch of US Highway 45. This was further supported by spectral analysis, confirming the automotive origin of the lights. The team’s findings pointed to atmospheric conditions and the geography of the Paulding area, which caused the vehicle lights to refract and create the illusion of the unexplained Paulding Light.

Despite the logical explanations provided by these dedicated students, the Paulding Light’s allure remains undiminished. The legend continues to attract those drawn to the supernatural, demonstrating the human fascination with mystery over the mundane. The Paulding Light stands as a symbol of our enduring attraction to the unexplained, a reminder that sometimes, even when the truth is revealed, the legend never dies.

Dec 24, 2023

MIT’s Breakthrough: Cooling Homes Without Electricity

Posted by in categories: climatology, habitats, sustainability

Let’s face it: on a scorching hot day, the sweet hum of an air conditioner feels like a lifeline. But what if that lifeline is actually tying us into a knot of environmental woes?

It turns out, our reliance on air conditioning is heating up the planet just as much as it’s cooling our homes.

Enter a team of ingenious researchers from MIT with a revolutionary idea: aerogel. This isn’t just another tech buzzword; it’s a potential game-changer in our fight against climate change.

Dec 24, 2023

NASA Has a Slew of Fascinating Space Missions on the Horizon

Posted by in category: space

The year 2023 proved to be an important one for space missions, with NASA’s OSIRIS-REx mission https://www.pbs.org/newshour/science/watch-live-ancient-aste…JBNopD%24″ rel=“nofollow”> returning a sample from an asteroid and India’s Chandrayaan-3 mission https://www.space.com/chandrayaan-3-moon-temperature-lunar-s…sYef5A%24″ rel=“nofollow”> exploring the lunar south pole, and 2024 is shaping up to be another exciting year for space exploration.

Several new missions under NASA’s https://www.nasa.gov/specials/artemis/__;!!LsXw!R0aklfNlteeO…SEcWZi%24″ rel=“nofollow”> Artemis plan and https://www.nasa.gov/commercial-lunar-payload-services/__;!!…V7gEoS%24″ rel=“nofollow”> Commercial Lunar Payload Services initiative will target the Moon.

The latter half of the year will feature several exciting launches, with the launch of the Martian Moons eXploration mission in September, Europa Clipper and Hera in October and Artemis II and VIPER to the Moon in November—if everything goes as planned.

Dec 24, 2023

Alcohol Abuse Linked to Permanent Brain Damage and Wernicke-Korsakoff Syndrome in US Crisis

Posted by in categories: biotech/medical, neuroscience

Facing an alcohol crisis, the US sees 12% of adult deaths linked to abuse. Excessive drinking risks permanent brain damage, Wernicke-Korsakoff Syndrome. Symptoms mimic drunkenness and can lead to irreversible psychosis. Prevention? Cut back or quit. Concerned? Seek medical advice for potential Vitamin B1 treatment.

Dec 24, 2023

DNA repair‐deficient premature aging models display accelerated epigenetic age

Posted by in categories: biotech/medical, genetics, life extension

Aging Cell is an open access geroscience journal addressing the biology of aging, from molecular mechanisms of aging to age-related disease.

Dec 24, 2023

Silicon-Based Lifeforms

Posted by in categories: alien life, existential risks, media & arts

In the grandeur of the universe, the tapestry of life may be woven from stranger threads than we ever dared to dream, and spun from materials far different to our own.\
Watch my exclusive video The Fermi Paradox Hermit Shoplifter Hypothesis: https://nebula.tv/videos/isaacarthur–…\
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Credits:\
Silicon-Based Lifeforms \
Episode 426; December 21, 2023\
Produced, Written \& Narrated by: Isaac Arthur\
Graphics: Ken York / YD Visual\
Music Courtesy of Epidemic Sound http://epidemicsound.com/creator

Dec 24, 2023

S41378-018‑0009-2.Pdf

Posted by in categories: genetics, neuroscience

Dual color optogenetic control of neural populations.


Shared with Dropbox.

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