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PostPosted: Thu Apr 04, 2024 6:21 am
 


First patient receives cell therapy that turns lymph node into tiny liver

The liver is one of the few organs we can't artificially replace. If it dies, the patient dies.


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PostPosted: Mon Apr 08, 2024 6:39 pm
 




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PostPosted: Fri Apr 12, 2024 9:22 am
 


A bacterium has evolved into a new cellular structure inside algae

$1:
In the 3.5 billion years since life first evolved on Earth, it was thought that once-free-living bacteria had merged with other organisms on just three occasions, making this an exceedingly rare evolutionary event. Now, a fourth example has been found, in a single-celled alga common in the oceans.

These algae were thought to “fix” nitrogen – convert atmospheric nitrogen into useable ammonia – with the help of a bacterium. Tyler Coale at the University of California, Santa Cruz, and his colleagues have now shown that this bacterium has evolved into a new cellular structure, or organelle.

It is the first known nitrogen-fixing organelle, or nitroplast, says Coale, and could be the key to the success of these algae. “It appears to be a successful strategy for them,” he says. “These are very widespread algae. We find them all over the world’s oceans.”


tl;dr: One bacterium merges with another bacterium to become the first of it's kind life form. And we saw it happen.


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PostPosted: Thu Apr 18, 2024 6:32 am
 


How many bathrooms have Neanderthals in the tile?

Image


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PostPosted: Mon Apr 22, 2024 6:26 am
 


A national-scale assessment of land subsidence in China’s major cities

tl;dr, China built too fast on unstable land, and now many cities are sinking, leaving them vulnerable to flooding.


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PostPosted: Wed May 08, 2024 10:30 am
 


Contextual and combinatorial structure in sperm whale vocalisations

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Our results demonstrate that sperm whale vocalisations form a complex combinatorial communication system: the seemingly arbitrary inventory of coda types can be explained by combinations of rhythm, tempo, rubato, and ornamentation features. Sizable combinatorial vocalisation systems are exceedingly rare in nature; however, their use by sperm whales shows that they are not uniquely human, and can arise from dramatically different physiological, ecological, and social pressures.

These findings also offer steps towards understanding how sperm whales transmit meaning. In some organisms with combinatorial codes, such as honey bees (Apis sp.), the constituent features of the code transparently encode semantics (e.g., direction and distance to food sources). Further research on sperm whale vocalisations may investigate if rhythm, tempo, ornamentation, and rubato function similarly, directly encoding whales’ communicative intents. Alternatively, one of the key differentiators between human communication and all known animal communication systems is duality of patterning: a base set of individually meaningless elements that are sequenced to generate a very large space of meanings. The existence of a combinatorial coding system-at either the level of sounds, sound sequences, or both-is a prerequisite for duality of patterning. Our findings open up the possibility that sperm whale communication might provide our first example of that phenomenon in another species.


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PostPosted: Fri May 10, 2024 6:17 am
 


Computer models suggest modern plate tectonics are due to blobs left behind by cosmic collision

The collision that killed the dinosaurs may be responsible for the environment we have today.


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PostPosted: Thu May 16, 2024 6:04 am
 


Flood of Fake Science Forces Multiple Journal Closures

Good. That people still think there is a link between vaccinations and autism is proof the damage these journals do.


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PostPosted: Thu May 23, 2024 7:04 am
 


Associations Between Ultra-Processed Food Consumption and Adverse Brain Health Outcomes

tl;dr There is a direct relationship between ultraprocessed foods and age related memory issues and stroke.


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PostPosted: Thu Jun 13, 2024 1:33 pm
 








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PostPosted: Thu Jun 13, 2024 1:51 pm
 


Can you see video? Cuz I can't.


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PostPosted: Thu Jun 13, 2024 3:01 pm
 


You have to disable encryption on CKA. Then it shows up. If you are using ad blockers, you need to open in a Pricvate Window.


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