Researchers infer that GJ 3090 b circles its star backwards
A reported three-dimensional spin–orbit angle of about 136° puts the planet on the retrograde side of 90°, while its formation history remains unresolved.
Today's paper
The daily briefing ↗Science
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A nanoscale net gives cryo-EM proteins somewhere safer to land
Carbon nanotubes helped protein complexes avoid a damaging surface, adopt more viewing angles and assemble into detailed maps—but the new support creates problems of its own.
CRISPR cut this virus’s DNA. Two proteins helped repair it
The phage system called Healer reveals a distinct counter-CRISPR strategy: surviving DNA damage after the molecular scissors have done their work.
Scattered light reveals a chemical fingerprint of senescent cells
A mouse-tissue study connected molecular vibrations to gene activity and location, offering a label-free view of cellular senescence while revealing a formidable imaging bottleneck.
Nature
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Older urban blackbirds’ nests held more human-made strips
A study of dismantled nests found patterns linked to female age, laying date and breeding success—but an inventory cannot reveal a bird’s intentions.
A flatworm rebuilds neurons with both a type and an address
Gene knockdowns suggest that planarians use overlapping molecular instructions to make dopamine-producing neurons and place them in the correct nervous-system regions.
A few milligrams of enamel became a thermometer for T. rex
Temperature-sensitive bonds in three fossil teeth produced an estimate of 36.3°C, while five crocodilian teeth helped test whether burial had rewritten the signal.
Technology
More →The paper battery dissolved. Not all the swallowable electronics did.
A magnesium–molybdenum-trioxide cell survived stomach fluid long enough to power tracking and stimulation experiments, but an intact circuit board marks the distance to a fully resorbable device.
Britain’s MOT records reveal how electric cars age—up to a point
A vast trail of odometer readings captures early electric cars’ real use, while estimates for newer models still depend on trends and modeling.
Polonius lets Rust skip an allocation the borrow checker used to demand
A nightly-only borrow-checker upgrade accepts the natural borrowed-key lookup-or-insert pattern, avoiding owned-key construction on cache hits.
World
More →The US proposed an AI incident channel with China. Six missing pieces will determine what it does
The September 20 talks produced an idea, not an operating crisis line—and the difference lies in its institutional details.
At least 112,000 displaced within Yemen in two weeks as nearly 3,000 reach Djibouti
Separate snapshots show a rapid internal displacement crisis and a smaller cross-border movement, each measured across a different place and reporting window.
Trenton’s data-center fight is headed to voters after a 336-signature dispute
After Ohio’s highest court rejected the city council’s 820-signature threshold, the council certified a proposed ban on large data centers for a November 3 special election.
Economy
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Japan’s deposit, loan and mortgage rates are moving at different speeds
Savings accounts now pay noticeably more, but official data and current bank offers show that borrowing costs have also climbed—and the rate on the page may not be the rate a customer receives.