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I guess you already knew since your phone is working.

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Speculoos-3b, 55 light years away, is only second planetary system to be found around an ultra-cool red dwarf

Astronomers have discovered a new Earth-sized planet orbiting a small, cool star that is expected to shine for 100 times longer than the sun.

The rocky world, called Speculoos-3b, is 55 light years from Earth and was detected as it passed in front of its host star, an ultra-cool red dwarf that is half as hot as the sun and 100 times less luminous.

The newly discovered world, described as “practically the same size as our planet”, swings around the red dwarf once every 17 hours, making a year on the planet shorter than a single Earth day.

But while the years are short on Speculoos-3b, the days and nights are never-ending. “We believe that the planet rotates synchronously, so that the same side, called the day side, always faces the star, just like the moon does for the Earth. On the other hand, the night side hand, would be locked in endless darkness,” said Michaël Gillon, an astronomer at the University of Liège in Belgium and lead author on the study.

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Brain-machine interfaces implanted in the participants of this study in the supramarginal gyrus (SMG) and primary somatosensory cortex (S1) were successfully able to decode both internally spoken and vocalized words.

https://www.nature.com/articles/s41562-024-01867-y?utm_source=Live+Audience&utm_campaign=1586f44658-nature-briefing-daily-20240514&utm_medium=email&utm_term=0_b27a691814-1586f44658-52006460 (open access)

submitted 2 days ago by [email protected] to c/science

This study performed lineage tracing of live human embryos from the first cleavage division until the blastocyst stage and discovered that the majority of cells in the EPI, the future human body, originate from one of the two cells in most embryos. The first blastomere to divide at the 2-cell stage has a higher likelihood to generate the first, and more, internalized cells at the 8-to-16-cell stage.

https://www.cell.com/cell/fulltext/S0092-8674(24)00455-0?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0092867424004550%3Fshowall%3Dtrue (open access)

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A growing number of researchers in the field are using their expertise to fight the climate crisis.

On the morning of Jan. 18, 2003, Penny Sackett, then director of the Australian National University’s Mount Stromlo Observatory outside Canberra, received a concerning email from a student at the facility. Bush fires that had been on the horizon the day before were now rapidly approaching. The astronomers on site were considering evacuating, the student wrote.

That afternoon, from her home some miles away, Dr. Sackett watched burning embers fall from a smoky sky and worried. Later, she learned that her colleagues had escaped just in time: As the fire raced up the mountain, they fled down the other side carrying discs full of research data.

All but one of Mount Stromlo’s eight telescopes were destroyed that day, along with millions of dollars in equipment that engineers had been building for observatories around the world. The fires also destroyed 500 homes across greater Canberra, and killed four people.

The incident was an early warning for astronomyWildfires, exacerbated by climate change, were becoming a problem for their field. Since then, several other observatories have been damaged or threatened by fires and other extreme weather, and changing atmospheric conditions have made ground-based astronomical research more challenging.

Such incidents have drawn attention to Earth’s plight, and a growing number of astronomers are rallying to fight climate change. In 2019, professionals and students founded a global organization called Astronomers for Planet Earth. Astrobites, a journal run by graduate students in the field, held its third annual Earth Week in April. Also last month, a group of astronomers released “Climate Change for Astronomers: Causes, consequences and communication,” a collection of articles detailing the researchers’ personal experiences with the climate crisis, its impact on their work and how they might use their scientific authority to make a difference.

Other astronomers are raising awareness in the classroom, incorporating Earth’s climate into their research, or have left science altogether and become full-time activists.

Non-paywall link

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Every time I mention that I like Huberman's podcasts, I get bombarded with comments on how he's basically a fool, a liar, yadayada.

And when I read every link, trying to see if maybe I should ditch his podcasts... all I see is, at most, in very specific cases, that some scientists defend different theories.

Like... wow. Science in a nutshell.

That is specially funny once you actually listen to his podcasts, because he is constantly reminding people that his words are not the literal truth, that he is no cop, and that he is simply collecting some evidence and always asking for people to go research this information, consult their doctor/physician/professional...

Joe Rogan has like a 1000 clips that can give you absolute clues on how this guy is... well... not great. And my guess is that people are associating a big muscular man with another?

Has the podcast claimed that the white male is a superior species or what am I missing?

Come on, what kind of dark agenda does a guy like Huberman have when basically everything that he says can be condensed into:

  • get good sleep
  • do sport
  • eat well
  • go outside ?

Another thing I've seen is many articles pointing out his "bad romances" and other weird personal life details, as if that mattered somehow?

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Scientists are racing to trace deep ocean species before they are lost, with the help of photographers who have a taste for danger.

In 2010 four friends, carrying 32kg (71lb) worth of camera equipment, sunk beneath the waves of Sodwana Bay, off the east coast of South Africa. It was then that photographer, Laurent Ballesta stared directly into the eyes of a creature once thought to have died out with the dinosaurs – and took the first ever photograph of a living coelacanth.

"It's not just a fish we thought was extinct," says Ballesta. "It's a masterpiece in the history of evolution."

Venture back to the beginning of the age of the dinosaurs, and you'd find coelacanths in abundance, on every continent, living in the steamy marshes of the Triassic Period. Dating back 410 million years, the coelacanth belongs to the group of "lobe-finned" fish that left the ocean between about 390 and 360 million years ago. Its strong, fleshy fins were a precursor to the paired limbs of tetrapods, which include all land-living vertebrates – amphibians, reptiles, birds and mammals and, yes, humans too. In fact, coelacanths are more closely related to tetrapods than to any other known fish species.

submitted 1 week ago by pageflight to c/science

A 2020 Cochrane review that assessed the two clinical trials concluded that "whether adults see their dentist for a check‐up every six months or at personalized intervals based on their dentist's assessment of their risk of dental disease does not affect tooth decay, gum disease, or quality of life. Longer intervals (up to 24 months) between check‐ups may not negatively affect these outcomes." The Cochrane reviewers reported that they were "confident" of little to no difference between six-month and risk-based check-ups and were "moderately confident" that going up to 24-month checkups would make little to no difference either.

Likewise, Nadanovsky and his colleagues highlight that there is no evidence supporting the benefit of common scaling and polishing treatments for adults without periodontitis. And for children, cavities in baby teeth are routinely filled, despite evidence from a randomized controlled trial that rates of pain and infections are similar—about 40 percent—whether the cavities are filled or not.

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A cohort study found that individuals who engaged in mentally stimulating jobs during their 30s to 60s were less likely to develop mild cognitive impairment (MCI) and dementia after turning 70, highlighting the importance of cognitive stimulation during midlife for maintaining cognitive function in old age. [It is important to note that this study identifies associations rather than direct causation of dementia.]


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