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'Sea Nomads' Are First Known Humans Genetically Adapted To Diving (nationalgeographic.com)
schwit1 shares a report from National Geographic: Most people can hold their breath underwater for a few seconds, some for a few minutes. But a group of people called the Bajau takes free diving to the extreme, staying underwater for as long as 13 minutes at depths of around 200 feet. These nomadic people live in waters winding through the Philippines, Malaysia, and Indonesia, where they dive to hunt for fish or search for natural elements that can be used in crafts. Now, a study in the journal Cell offers the first clues that a DNA mutation for larger spleens gives the Bajau a genetic advantage for life in the deep.
Yeah, it's definitely a fetish. ;)
Anons need not reply. Questions end with a question mark.
Hazen Audel dove with these people on season 3 episode 1 called "Trial by Ocean". And, they're not really Nomads. Pretty interesting watch.
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I think I read this about 30 years ago. I think there were stranded there from a cruise ship.
Evolution involves a lot of failures... you first.
Pretty sure the Bajau are not all men. Unless there are other genetic mutations the article is not telling us about.
From TFA: When you go hold your breath and are surrounded by water you have a bunch of physiological responses that happen automatically. One major one is that your spleen contracts delivering more red blood cells to your arteries. Since they have larger spleens, there's a larger reservoir of red blood cells ready to get pushed out when necessary.
The world record holder for underwater breath-holding is German. I guess they have these spleens too. Who knew?
Maybe after a few thousands years of living in space in the future, our species evolves the mutations necessary to combat the ill effects of micro gravity and radiation.
I don't think so. Genetic engineering is making rapid progress. Future changes to humanity will be by design, not through random mutations.
not "First Known Humans Genetically Adapted to xx". And it's a direct copy of the National Geographic headline. I guess they too have no editors.
Bajau takes free diving to the extreme, staying underwater for as long as 13 minutes at depths of around 200 feet.
Kevin Costner scoffs at the Bajau pathetic diving abilities.
A genetic "failure" doesn't mean die, or even fail to reproduce. It can mean goes off to find a more suitable environment. It could also mean creating an environment more suitable to live in. Humans adapting to space will likely be a bit of all the above.
I am armed because I am free. I am free because I am armed.
and not heavy training from a young age?
Slashdot, fix the reply notifications... You won't get away with it...
a lead to my theory... follow it or not.
[($)]
The concept was rejected in the 1920 by everyone except the radical nationalists (including the Nazis and, to this day, the USA), because the differences were just way too small to warrant differentiating!
The differences inside "races" were often bigger than between "races"!
And genetically, it gets even worse. The concept is utterly useless, and only exists to help losers with an inferiority complex declare themselves "special", based on superficial and mostly exterior differences. Clinging to a small gentic specialization as proof, only shows how desperate and pathetic the whole thing is.
Oh, and dog "races" are the result of literally eugenics, and did not exist until the 1800s.
Another example of genetic adaptations that was discovered earlier are the Tibetans, whose homeland is a vast highland with average altitude of about 4,000 meters (13,000 feet). Having superior oxygen intake and resistance to effects like Acute Mountain Sickness helped the Tibetans to populate and defend their highland territory over the millenia. The few foreign expeditions that ever made it to their capital Lhasa were either allowed to enter (e.g. Mongols who ended up adopting Buddhism from Tibet) or didn't linger for too long.
It was only due the emergence of modern mechanized military technology (from the West) and the repressive and expansionist ideology of communism (again from West) that the newly victorious and idle armies of Mao Zedong were able to invade and actually occupy Tibet in its entirety from 1950-1951 onwards. Special thanks go to Stalin for arming the PLA, with surplus American WWII war aid also finding new somewhat less liberating uses over there.
Over the eons, sometimes as quickly as over a few millenia, people (and anything living within tolerances) are able to adapt to changing surroundings, or die trying
Technology can be used either to protect and develop life, or it can be used to destroy it.
Philosophy may seem quaint and pointless in this era of ever increasing specialization and culture of constant entertainment and distraction, but as we march into the future it would be beneficial to at least have a faint idea what it is we're doing and why.
Should invading one's peaceful neighbours be opposed, or rewarded with trade deals?
So next they grow gills like Kevin Costner.
Table-ized A.I.
Let me guess. You run an anger management class don't ya?
Donald Trump, on a crusade to make Nixon look respectable
This is racism! All right-thinking people know that everyone born a blank slate and good at everything and race is just a social construct.
Every human is capable to train for 2 or more minutes diving.
I did not dive for 30 years but when I was in Thailand 2 years ago I dived like 3 or 4 minutes without any recent training.
Does not mean there is no such gene ...
Cost free eBook I read (by iBook/Kobo/Amazon/ObookO/Gutenberg etc.): "The Green Odyssey" by Philip Jose Farmer.
Most deep divers in Asia are females ...
Obviously males and females have the same genes.
Cost free eBook I read (by iBook/Kobo/Amazon/ObookO/Gutenberg etc.): "The Green Odyssey" by Philip Jose Farmer.
Okay so... asian females who can hold their breath for 13 minutes.
Why is that not its own section on porn sites yet?
^^^ An example of one such random mutation gone horribly wrong.
Ezekiel 23:20
I can hold my breath for ten minutes.
https://www.youtube.com/watch?...
There are no stupid questions, just stupid people.
The Esoteric Order of Dagon is looking for people with your interests.
Inheritance is the sincerest form of nepotism.
I'm just an engineer, not an English major. But precision in communication is vital to engineering.
Filler words? No, it is the order that changed. "don't change their meaning"?
"First humans" would be humans that lived distantly in anthropological history. It would indeed be an interesting discovery if we found that they had been genetically adapted to deep diving by somehow extracting DNA from remains. That was my expectation after reading the title but was not what the study was about.
Phys.org's title in Genetic adaptations to diving discovered in humans for the first time was vastly better.
wtf is this apk
It's called "schizophrenia."
Obviously males and females have the same genes.
I don't think it is so obvious. To the layman whose understanding of biology does not go beyond high school level, it is not obvious that a Y chromosome contains the same genes as an X chromosome at all, in fact some might say it is counterintuitive.
But the genetic mutation I was alluding to would be the one for hermaphroditic reproduction which would be required for an all male Bajau people to evolve any adaptation to their environment.
Well, humans have 23 chromosome pairs.
X/Y is only one of them. It is unlikely that special diving abilities are encoded there and not on others.
Even if it was encoded on the X chromosome, only half the female offsprings would inherit it.
Cost free eBook I read (by iBook/Kobo/Amazon/ObookO/Gutenberg etc.): "The Green Odyssey" by Philip Jose Farmer.