Sam's News — science — 2026-09-24¶

Hardware¶

8 Japan activates first full-stack room-temperature quantum computer with plans to scale to 10,000 qubits¶

Japan's Shunkai quantum computer uses optical tweezers to trap atoms and will be available to researchers working on quantum error correction.

Sources: Live Science RSS

Food Security¶

8 El Niño threatens 8 million African children with acute hunger by 2027¶

An analysis predicts that 8 million children across East and Southern Africa could face acute hunger by early 2027, a 30% increase, as a strong El Niño weather event fuels food crisis conditions.

Sources: Phys.org RSS

AI¶

7.5 Claude AI discovers novel CRISPR-like enzyme system in viruses¶

Anthropic's Claude AI helped identify a new enzyme system in bacteriophages that resembles CRISPR, expanding potential applications in genetic engineering.

Enzyme system features DNA repeats resembling CRISPR technology
Discovery made by Claude AI system
Comparison to CRISPR gene-editing platform noted
950 Claude agents identified ~200,000 genes, narrowed to 20 candidates in 21 hours; estimated weeks-to-months for human experts
ART system found in bacteriophages: reverse transcriptase, non-coding DNA repeat arrays, accessory protein of unknown function
Exhibits CRISPR-like properties; could perform DNA cutting, copying, pasting operations
Feng Zhang (CRISPR pioneer, MIT) called finding 'genuinely intriguing'; Stanford researchers independently described comparable distinct system

Sources: The News International RSS, analyticsindiamag.com RSS, Technology Org RSS, Hindustan Times RSS, Al Jazeera RSS, Firstpost RSS Update to: Anthropic's Claude Discovers Novel Enzyme System Resembling CRISPR

Health¶

7.5 Higher REM sleep associated with lower risk of 83 diseases¶

A study of 95,559 people found that greater REM sleep was associated with significantly lower risk for 83 diseases including dementia, heart failure, and Parkinson's disease over a median 8.9-year follow-up. The research used wrist accelerometers and deep-learning algorithms to measure sleep stages, though it cannot establish causation.

Greater REM sleep (47.6 min per IQR) linked to lower risk across 83 conditions
Dementia risk reduced 46% (HR 0.54); Parkinson's 80% lower (HR 0.20); heart failure 26% lower (HR 0.74)
Sleeping <5 hours increased risk for 37 conditions; optimal window 6–8 hours
Greater sleep irregularity and wakefulness after sleep onset linked to higher anxiety and substance use disorder risk

Sources: ScienceDaily AI Web Searched, ScienceDaily — Health RSS

Science¶

7.5 JWST observes early galaxies already seeding universe with heavy elements¶

The James Webb Space Telescope detected LAP1-B, a galaxy formed 800 million years after the Big Bang with metal abundance 1/240th that of the Sun—the most chemically primitive galaxy observed. The findings suggest heavy elements were being synthesized and dispersed in the early universe, seeding it with carbon and oxygen necessary for life.

LAP1-B observed 800 million years after Big Bang; metal concentration ~1/240th of Sun (record low)
High carbon-to-oxygen ratio and dominant dark matter halo suggest progenitor to fossil galaxies near Milky Way
30 hours of observations using Webb's spectrometers with 100× gravitational lensing magnification from MACS J0416
Early heavy-element synthesis indicates universe seeded with life-forming elements during first galaxies

Sources: Universe Today AI Web Searched, Smithsonian Magazine AI Web Searched, Phys.org RSS

Paleontology¶

7.5 Fossilized blood vessels in T. rex rib reveal 66-million-year-old healing process¶

Scientists used neutron and X-ray imaging to discover a preserved network of blood vessels in a broken rib from Scotty, the world's largest T. rex skeleton, showing ancient bone healing mechanisms.

Sources: ScienceDaily RSS

Conservation¶

7 Aerial Surveys Document Successful Woodland Restoration in Scottish Cairngorms¶

A University of Cambridge team used aerial 3D mapping to reveal large-scale recovery of native woodland across Scotland's Cairngorms National Park.

Sources: Phys.org RSS

Cosmology¶

7 Astrophysicists test fuzzy dark matter using wave simulations and gravitational lensing¶

Researchers from the University of Hong Kong and Beijing Normal University developed a realistic approach to testing ultralight dark matter using wave simulations of gravitationally lensed images.

Sources: Phys.org RSS

Planetary Science¶

7 Bennu asteroid samples suggest origin involving Jupiter's gravitational influence¶

Analysis of samples collected by NASA from asteroid Bennu indicates the asteroid's origin involved gravitational interaction with Jupiter.

Sources: Phys.org RSS

Space¶

6.5 Interstellar comet 3I/ATLAS demonstrates abundance of life's molecular precursors in galaxy¶

The recently observed interstellar comet 3I/ATLAS, the third of its kind discovered, provides evidence that molecular building blocks for life are widespread throughout the Milky Way.

Sources: Live Science RSS