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Published in several papers in Nature this week - A new largest animal brain map.

140,000 cell and more than 50 million synapses have been physically mapped in fruit fly - like a wiring diagram. More than 8,000 different types of neurons have been described including thousands of new types.


also

This is along the lines of what I take to be a far bigger accomplishment, from earlier this year. One cubic millimeter of the human brain mapped, that's 1.4 petabytes of data, charting 150 million synaptic connections.


Twelve thousand more or so and we are all done with a whole human brain.


https://media.makeameme.org/created/all-done-3e02dfe5fd.jpg
 
This is along the lines of what I take to be a far bigger accomplishment, from earlier this year. One cubic millimeter of the human brain mapped, that's 1.4 petabytes of data, charting 150 million synaptic connections.


Twelve thousand more or so and we are all done with a whole human brain.


https://media.makeameme.org/created/all-done-3e02dfe5fd.jpg
There are 1000 cubic millimeters in a cubic centimeter... 1.2 Million or so to go (by my calculations)...
Season 1 Episode 6 GIF by SpongeBob SquarePants
 
Inject Mars Rover stories into my veins. Can't get enough.
I agree. I hope I live long enough to see humans reach the surface of Mars, but I doubt I will. But, and there's always a "but" with me, how much more money and time would it have taken to have people replicate what we have learned about Mars from the rovers? I am really glad the enormity of putting a human on Mars helped shape US space policy towards the rover route. Had we gone the "Man on Mars" route, I'm not sure we would have succeeded yet and I am certain we would have spent orders of magnitude more money for far less information.
 
Nature Editorial:

As Kamala Harris and Donald Trump face off, the fate of US democracy, science and evidence-based policy hangs in the balance.


Like all elections, the 5 November vote is about much more than science. However, the fate of scientific research, evidence-based lawmaking and the government’s receptiveness to independent science-policy advice will be key determinants of the country’s future course and long-term well-being. And, as we reported in a News Feature on 23 October (Nature 634, 770–774; 2024), US science could be at an inflection point: the election and a range of domestic and global forces could challenge the primacy that the country has held since the Second World War.
 
New study in Nature - the Gut Microbiome can be shared across a social network. Your friends and coworkers may be making you sick and fat in more ways than you initially thought. Enjoy those holiday parties.


The amount of strain-sharing seems to be modulated according to the nature of the social relationships, even after accounting for other measured attributes (such as diet and medications). More intimate relationships share more strains, and strain-sharing rates increase monotonically based on the frequency with which a pair of people shares meals or free time together. The strain-sharing rate was the strongest predictor of social relationships, beyond socio-demographic features such as wealth, religion or education.
 


Kind of like having a pool water testing strip tattooed on your arm, but if it works seems better than constantly pricking yourself.

When it comes to diabetics, the popular technology now is attaching a sensor about the size of a quarter to your upper tricep that sends continuous real-time glucose readings to a phone app eliminating the need to prick your finger. Really cool advancement.
 
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