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← Selection on the genetic predictors of cognitive performance peaked in…
17 connected korrents · 10 moments on record from 15 May 2025 to 7 Sept 2026.
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Europe Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Same subject Read this korrent: Selection on the genetic predictors of cognitive performance peaked in the Bronze Age and has left no trace at all in the last 2,000 years. Selection on the genetic predictors of cognitive performance peaked in the Bronze Age and has left no trace at all in the last 2,000 years. Last stated 4 months ago
8 May 2026
DR
David Reich — holds since 2026-05-08 — tap for who they are
Same subject: Finding no selection in African-Americans over 300 years is not evidence against selection: five generations is simply too short a time to compound. — tap to centre the map on it Finding no selection in African-Americans over 300 years is not evidence against selection: five generations is simply too short a time to compound. Last stated 4 months ago
8 May 2026
DR
David Reich — holds since 2026-05-08 — tap for who they are
Same subject: The selection signal on the genetics of schooling is not a European artefact: the same variants predict years of school in China, a population disconnected from Europe for the whole period. — tap to centre the map on it The selection signal on the genetics of schooling is not a European artefact: the same variants predict years of school in China, a population disconnected from Europe for the whole period. Last stated 4 months ago
8 May 2026
DR
David Reich — holds since 2026-05-08 — tap for who they are
Same subject: There was no genetic switch for behavioural modernity: no selective sweep is shared by everyone alive today in the period the cognitive revolution supposedly happened. — tap to centre the map on it There was no genetic switch for behavioural modernity: no selective sweep is shared by everyone alive today in the period the cognitive revolution supposedly happened. Last stated 4 months ago
8 May 2026
DR
David Reich — holds since 2026-05-08 — tap for who they are
Same subject: What has actually been under selection is probably not intelligence but a general trait more like executive function or the propensity to defer gratification. — tap to centre the map on it What has actually been under selection is probably not intelligence but a general trait more like executive function or the propensity to defer gratification. Last stated 4 months ago
8 May 2026
DR
David Reich — holds since 2026-05-08 — tap for who they are
Same subject: The Bronze Age, not the invention of farming, was the shock the human genome reacted to most strongly. — tap to centre the map on it The Bronze Age, not the invention of farming, was the shock the human genome reacted to most strongly. Last stated 4 months ago
8 May 2026
DR
David Reich — holds since 2026-05-08 — tap for who they are
Same subject: Natural selection in humans has not been quiescent: it is tugging almost every position in the genome in one direction or another, everywhere. — tap to centre the map on it Natural selection in humans has not been quiescent: it is tugging almost every position in the genome in one direction or another, everywhere. Last stated 4 months ago
8 May 2026
DR
David Reich — holds since 2026-05-08 — tap for who they are
Same subject: Humanity's advantage is accumulated shared knowledge rather than higher intelligence — and AI models, which vanish with their context window, have none of it. — tap to centre the map on it Humanity's advantage is accumulated shared knowledge rather than higher intelligence — and AI models, which vanish with their context window, have none of it. Last stated 2 months ago
26 Jun 2026
NB
Noam Brown — holds since 2026-06-26 — tap for who they are
Same subject: The weak selection signal on behavioural traits is a shortage of statistical power, not evidence that behaviour was unselected. — tap to centre the map on it The weak selection signal on behavioural traits is a shortage of statistical power, not evidence that behaviour was unselected. Last stated 4 months ago
8 May 2026
DR
David Reich — holds since 2026-05-08 — tap for who they are
Same subject: A Chinese crewed landing on the Moon before America returns would be a defeat for the free world. — tap to centre the map on it A Chinese crewed landing on the Moon before America returns would be a defeat for the free world. Last stated 3 weeks ago
18 Aug 2026
CH
Casey Handmer — holds since 2025-10-31 — tap for who they are
EB
Eric Berger — holds since 2026-08-18 — tap for who they are
Same subject: A country cannot have radical technological breakthroughs and also refuse to tolerate uncomfortably rich people, because the financial system it resents is what funds the innovation. — tap to centre the map on it A country cannot have radical technological breakthroughs and also refuse to tolerate uncomfortably rich people, because the financial system it resents is what funds the innovation. Last stated a year ago
13 Aug 2025
KJ
Keyu Jin — holds since 2025-08-13 — tap for who they are
Same subject: A country's large trade deficit in manufactured goods reduces its manufacturing employment below what it would be with balanced trade. — tap to centre the map on it A country's large trade deficit in manufactured goods reduces its manufacturing employment below what it would be with balanced trade. Last stated today
7 Sept 2026
PK
Paul Krugman — holds since 2026-09-07 — tap for who they are
Same subject: A company doing something at the edge of the Overton window has to hold two cultures at once — the true believers and the serious professionals who think they are crazy — and integrating them is what makes it work. — tap to centre the map on it A company doing something at the edge of the Overton window has to hold two cultures at once — the true believers and the serious professionals who think they are crazy — and integrating them is what makes it work. Last stated a month ago
7 Aug 2026
MH
Max Hodak — holds since 2026-08-07 — tap for who they are
Same subject: A new world order based on raw power is being drawn right now, and Europe has to fight for its place in it. — tap to centre the map on it A new world order based on raw power is being drawn right now, and Europe has to fight for its place in it. Last stated 12 months ago
10 Sept 2025
UL
Ursula von der Leyen — holds since 2025-09-10 — tap for who they are
Same subject: A tiny fraction of ancestry can carry the most important thing about a population: Yamnaya is only a few percent of DNA in India and yet it brought the language. — tap to centre the map on it A tiny fraction of ancestry can carry the most important thing about a population: Yamnaya is only a few percent of DNA in India and yet it brought the language. Last stated 4 months ago
8 May 2026
DR
David Reich — holds since 2026-05-08 — tap for who they are
Same subject: A country cannot fund its own industrial strategy and call the same policy cheating when China does it. — tap to centre the map on it A country cannot fund its own industrial strategy and call the same policy cheating when China does it. Last stated a year ago
15 May 2025
HR
Hannah Ritchie — holds since 2025-05-15 — tap for who they are
Same subject: A few square miles at the Moon's south pole are the only lunar real estate that matters, and whoever gets there first sets the terms. — tap to centre the map on it A few square miles at the Moon's south pole are the only lunar real estate that matters, and whoever gets there first sets the terms. Last stated 3 weeks ago
18 Aug 2026
EB
Eric Berger — holds since 2026-08-18 — tap for who they are
Same subject: A large, sustained AI capability lead by either the US or China could shift the global balance of power between them. — tap to centre the map on it A large, sustained AI capability lead by either the US or China could shift the global balance of power between them. Last stated 2 days ago
5 Sept 2026
NS
Noah Smith — holds since 2026-09-05 — tap for who they are
At the centre
Selection on the genetic predictors of cognitive performance peaked in the Bronze Age and has left no trace at all in the last 2,000 years.
Holds DR David ReichRead this korrent →
Finding no selection in African-Americans over 300 years is not evidence against selection: five generations is simply too short a time to compound.
Holds DR David Reich
The selection signal on the genetics of schooling is not a European artefact: the same variants predict years of school in China, a population disconnected from Europe for the whole period.
Holds DR David Reich
There was no genetic switch for behavioural modernity: no selective sweep is shared by everyone alive today in the period the cognitive revolution supposedly happened.
Holds DR David Reich
What has actually been under selection is probably not intelligence but a general trait more like executive function or the propensity to defer gratification.
Holds DR David Reich
The Bronze Age, not the invention of farming, was the shock the human genome reacted to most strongly.
Holds DR David Reich
Natural selection in humans has not been quiescent: it is tugging almost every position in the genome in one direction or another, everywhere.
Holds DR David Reich
Humanity's advantage is accumulated shared knowledge rather than higher intelligence — and AI models, which vanish with their context window, have none of it.
Holds NB Noam Brown
The weak selection signal on behavioural traits is a shortage of statistical power, not evidence that behaviour was unselected.
Holds DR David Reich
A Chinese crewed landing on the Moon before America returns would be a defeat for the free world.
Holds CH Casey HandmerEB Eric Berger
A country cannot have radical technological breakthroughs and also refuse to tolerate uncomfortably rich people, because the financial system it resents is what funds the innovation.
Holds KJ Keyu Jin
A country's large trade deficit in manufactured goods reduces its manufacturing employment below what it would be with balanced trade.
Holds PK Paul Krugman
A company doing something at the edge of the Overton window has to hold two cultures at once — the true believers and the serious professionals who think they are crazy — and integrating them is what makes it work.
Holds MH Max Hodak
A new world order based on raw power is being drawn right now, and Europe has to fight for its place in it.
Holds
A tiny fraction of ancestry can carry the most important thing about a population: Yamnaya is only a few percent of DNA in India and yet it brought the language.
Holds DR David Reich
A country cannot fund its own industrial strategy and call the same policy cheating when China does it.
Holds HR Hannah Ritchie
A few square miles at the Moon's south pole are the only lunar real estate that matters, and whoever gets there first sets the terms.
Holds EB Eric Berger
A large, sustained AI capability lead by either the US or China could shift the global balance of power between them.
Holds