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← Life probably arose only once on Earth, and the deep split between bacteria and archaea is the evidence for it.
17 connected korrents · 13 moments from 30 May 2013 to 11 Sept 2026.
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America
Everything filed under evolutionary biology
evolutionary biology
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war
Everything filed under space
space 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: Life probably arose only once on Earth, and the deep split between bacteria and archaea is the evidence for it. Life probably arose only once on Earth, and the deep split between bacteria and archaea is the evidence for it. Last stated 4 years ago
7 Sept 2022
NL
Nick Lane — holds since 2022-09-07 — tap for who they are
Same subject: Life is not chemical; it merely emerges in chemistry, because chemistry is the first space the universe builds that is too large for it to exhaust. — tap to centre the map on it Life is not chemical; it merely emerges in chemistry, because chemistry is the first space the universe builds that is too large for it to exhaust. Last stated 2 years ago
13 Jun 2024
SW
Sara Walker — holds since 2024-06-13 — tap for who they are
Same subject: The origin of life is abrupt, not gradual — life snaps into existence. — tap to centre the map on it The origin of life is abrupt, not gradual — life snaps into existence. Last stated 2 years ago
13 Jun 2024
SW
Sara Walker — holds since 2024-06-13 — tap for who they are
Same subject: Re-run Earth a million times and at least a few hundred thousand of those runs give you bacteria again. — tap to centre the map on it Re-run Earth a million times and at least a few hundred thousand of those runs give you bacteria again. Last stated 4 years ago
7 Sept 2022
NL
Nick Lane — holds since 2022-09-07 — tap for who they are
Same subject: There are far fewer alien civilizations than people would like to believe, because the road from bacteria to humans has huge gaps in it. — tap to centre the map on it There are far fewer alien civilizations than people would like to believe, because the road from bacteria to humans has huge gaps in it. Last stated 4 years ago
7 Sept 2022
NL
Nick Lane — holds since 2022-09-07 — tap for who they are
Same subject: Life on Mars could share a genetic code close to ours with no transfer between the planets, because the beginnings of life are close to inevitable. — tap to centre the map on it Life on Mars could share a genetic code close to ours with no transfer between the planets, because the beginnings of life are close to inevitable. Last stated 4 years ago
7 Sept 2022
NL
Nick Lane — holds since 2022-09-07 — tap for who they are
Same subject: Bacteria never became complex because the barrier is structure, not information — they explored genetic space far more thoroughly than eukaryotes and still got stuck. — tap to centre the map on it Bacteria never became complex because the barrier is structure, not information — they explored genetic space far more thoroughly than eukaryotes and still got stuck. Last stated 4 years ago
7 Sept 2022
NL
Nick Lane — holds since 2022-09-07 — tap for who they are
Same subject: Life does not happen on a planet, it happens to a planet: the fate of a world and the fate of its life are inextricable. — tap to centre the map on it Life does not happen on a planet, it happens to a planet: the fate of a world and the fate of its life are inextricable. Last stated 2 years ago
22 Dec 2024
AF
Adam Frank — holds since 2024-12-22 — tap for who they are
Same subject: Oxygen in the atmosphere makes a fresh origin of life impossible, which is why life cannot be starting over in hydrothermal vents today. — tap to centre the map on it Oxygen in the atmosphere makes a fresh origin of life impossible, which is why life cannot be starting over in hydrothermal vents today. Last stated 4 years ago
7 Sept 2022
NL
Nick Lane — holds since 2022-09-07 — 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 2 months 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 crewed spacecraft does no work: putting people aboard is what stops a mission getting anything done. — tap to centre the map on it A crewed spacecraft does no work: putting people aboard is what stops a mission getting anything done. Last stated 4 years ago
1 Jan 2023
MC
Maciej Cegłowski — holds since 2023-01-01 — tap for who they are
Same subject: A great filter is a weak explanation for the silence, because it would have to work every single time — one civilization with self-replicating probes could fill the galaxy. — tap to centre the map on it A great filter is a weak explanation for the silence, because it would have to work every single time — one civilization with self-replicating probes could fill the galaxy. Last stated 3 years ago
22 Apr 2024
SC
Sean Carroll — holds since 2024-04-22 — tap for who they are
Same subject: A century of fire suppression policy in the American West has dangerously overloaded forests with fuel and made megafires more likely. — tap to centre the map on it A century of fire suppression policy in the American West has dangerously overloaded forests with fuel and made megafires more likely. Last stated 2 months ago
22 Aug 2026
JP
Jennifer Pahlka — holds since 2026-08-22 — tap for who they are
Same subject: A city's first rail line comes in at a reasonable cost and every line after it does not, because the follow-up outgrows the in-house team that oversaw the pilot. — tap to centre the map on it A city's first rail line comes in at a reasonable cost and every line after it does not, because the follow-up outgrows the in-house team that oversaw the pilot. Last stated 2 years ago
7 Dec 2024
AL
Alon Levy — holds since 2024-12-07 — tap for who they are
Same subject: A clear path to citizenship for undocumented immigrants is compatible with enforcing the law — tap to centre the map on it A clear path to citizenship for undocumented immigrants is compatible with enforcing the law Last stated 13 years ago
30 May 2013
OW
Oprah Winfrey — holds since 2013-05-30 — tap for who they are
Same subject: 'As long as it takes' lacks urgency, and it is a formula available to Ukraine's allies precisely because they are not the ones doing the fighting. — tap to centre the map on it 'As long as it takes' lacks urgency, and it is a formula available to Ukraine's allies precisely because they are not the ones doing the fighting. Last stated a year ago
10 Oct 2025
LF
Lawrence Freedman — holds since 2025-10-10 — tap for who they are
Same subject: 9/11 and Osama bin Laden's actions fundamentally shaped the world we live in today. — tap to centre the map on it 9/11 and Osama bin Laden's actions fundamentally shaped the world we live in today. Last stated a month ago
11 Sept 2026
MY
Matthew Yglesias — holds since 2026-09-11 — tap for who they are
Same subject: A ceasefire along the current lines would end the killing and still leave a long-term settlement between Russia and Ukraine possible. — tap to centre the map on it A ceasefire along the current lines would end the killing and still leave a long-term settlement between Russia and Ukraine possible. Last stated 2 months ago
26 Aug 2026
BM
Branko Milanovic — holds since 2026-08-26 — tap for who they are
At the centre
Life probably arose only once on Earth, and the deep split between bacteria and archaea is the evidence for it.
Holds Read this korrent →
Life is not chemical; it merely emerges in chemistry, because chemistry is the first space the universe builds that is too large for it to exhaust.
Holds
The origin of life is abrupt, not gradual — life snaps into existence.
Holds
Re-run Earth a million times and at least a few hundred thousand of those runs give you bacteria again.
Holds
There are far fewer alien civilizations than people would like to believe, because the road from bacteria to humans has huge gaps in it.
Holds
Life on Mars could share a genetic code close to ours with no transfer between the planets, because the beginnings of life are close to inevitable.
Holds
Bacteria never became complex because the barrier is structure, not information — they explored genetic space far more thoroughly than eukaryotes and still got stuck.
Holds
Life does not happen on a planet, it happens to a planet: the fate of a world and the fate of its life are inextricable.
Holds
Oxygen in the atmosphere makes a fresh origin of life impossible, which is why life cannot be starting over in hydrothermal vents today.
Holds
A Chinese crewed landing on the Moon before America returns would be a defeat for the free world.
Holds
A crewed spacecraft does no work: putting people aboard is what stops a mission getting anything done.
Holds
A great filter is a weak explanation for the silence, because it would have to work every single time — one civilization with self-replicating probes could fill the galaxy.
Holds
A century of fire suppression policy in the American West has dangerously overloaded forests with fuel and made megafires more likely.
Holds
A city's first rail line comes in at a reasonable cost and every line after it does not, because the follow-up outgrows the in-house team that oversaw the pilot.
Holds
A clear path to citizenship for undocumented immigrants is compatible with enforcing the law
Holds
'As long as it takes' lacks urgency, and it is a formula available to Ukraine's allies precisely because they are not the ones doing the fighting.
Holds
9/11 and Osama bin Laden's actions fundamentally shaped the world we live in today.
Holds
A ceasefire along the current lines would end the killing and still leave a long-term settlement between Russia and Ukraine possible.
Holds