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Steve Stewart-Williams
Psychology, evolution, science, etc. The paperback edition of my second book, The Ape That Understood the Universe, hit the shelves in 2019.
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Steve Stewart-Williams proslijedio/la je tweet
Noah Smith 🐇 6 h
Canceling nuclear has its costs.
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Abdel Abdellaoui 13 h
How well can we predict educational attainment and IQ using DNA? This Figure summarizes the progress that is being made in the predictive power of polygenic scores by increasing GWAS sample sizes. Source: (nice work et al)
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Steve Stewart-Williams 7 h
Odgovor korisniku/ci @SteveStuWill
Original Article: People who use alternative therapies are more likely to refuse conventional treatments. As a result, they have lower survival rates. (N = 1,901,815) Note that the researchers controlled for cancer type, clinical stage, comorbidities, etc.
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Steve Stewart-Williams 10 h
People who use homeopathy and other alternative therapies as part of their cancer treatment are twice as likely to die from the disease as those who use conventional medicine alone.
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Steve Stewart-Williams 11 h
Wow, amazing - this is flowing water!
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Steve Stewart-Williams 19 h
One of the most important events in the history of the planet – an event that caused forests to turn into fields, skyscrapers to sprout from the ground, and footprints to appear on the moon. And we don't really know what drove it! Figure:
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Steve Stewart-Williams 21 h
An aluminium-foil boat floating in sulfur hexafluoride: a colourless gas that's heavier than air (and that makes your voice deeper if you breathe it in – it's basically the opposite of helium).
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Steve Stewart-Williams 5. srp
Disagreement is good.
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Dr. Paige Harden 2. velj
Odgovor korisniku/ci @daltonconley
2- Other methods for estimating heritability don’t rely on the EEA, or on twins at all, but on random variation in the extent of genomic sharing between siblings. And guess what! Heritability doesn’t go away!
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Steve Stewart-Williams proslijedio/la je tweet
Dr. Paige Harden 2. velj
Odgovor korisniku/ci @daltonconley
1- Twins are regularly misclassified by their parents & others, which creates an opportunity to test whether their phenotypic similarity tracks their actual genetic relatedness or their social identity as MZ or DZ. It’s the former (by )
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Steve Stewart-Williams proslijedio/la je tweet
Dr. Paige Harden 2. velj
I can think of few things less “lively” than rehashing a conversation about the EEA, especially since twin studies are no longer the major workhorses of psychiatric genetics. BUT lest other people be confused that this is still actually a contentious issue....
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Steve Stewart-Williams 3. velj
Another viral animal video that makes me wonder whether psychologists have been seriously underestimating the cognitive abilities of our furry cousins.
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Steve Stewart-Williams 3. velj
The evolution of intelligence in humans and other great apes, estimated by blood flow to the brain. All the great apes have gotten smarter since our last common ancestor; we've just taken the trend much further.
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Steve Stewart-Williams 3. velj
Ants are some of the most bizarre, fascinating creatures on the planet.
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Jonathan Haidt 2. velj
An important study and inspiring finding on how to reduce bigotry by "deep canvassing" and giving people "grace," rather than anger or shame. From and , summarized by :
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Steve Stewart-Williams proslijedio/la je tweet
Michael Shermer 2. velj
1 fascinating study Klein quotes found that “priming white college students to think about the concept of white privilege led them to express more racial resentment in subsequent surveys.” Anti-racist indoctrination actually feeds racism—tribalism deepens
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Steve Stewart-Williams 2. velj
A pufferfish deflating. When threatened, pufferfish rapidly suck in enough water to make themselves much larger and harder to eat: a great big inedible ball. As a backup plan, most also contain tetrodotoxin, which for humans is 1,200 times deadlier than cyanide. Cute, though!
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Muhammad Lila 30. sij
A man was sitting alone, on a bench in a park, singing Bon Jovi's Living on a Prayer by himself. By the end, the entire park joined along to sing with him. (🎥)
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Steve Stewart-Williams 2. velj
Natural selection builds mechanisms that human engineers still struggle to match. Exhibit A: The neural structures underpinning head stabilization in this hawk. (Head stabilization has the same function as image stabilization in cameras: to maintain a steady view despite motion.)
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Steve Stewart-Williams proslijedio/la je tweet
Lionel Page 1. velj
A great way to realise the sheer quantity of information our 🧠 seamlessly processes when we do a “simple” task like driving a car. This is what the Tesla autopilot sees using a neural network which took 70,000 GPU hours to train. ht
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