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The week in Science
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The week connected a record-strength El Niño with weakening, younger Arctic ice and concern that Thwaites Glacier may enter faster retreat. A desert bloom and increased methane uptake in some forest soils added evidence that climate responses can be abrupt, uneven and locally surprising.
A new estimate places Australia’s precolonial Indigenous population far above earlier assumptions and indicates that roughly 93% died within 73 years. The finding substantially changes the measured scale and speed of population loss.
Researchers proposed that a wreck off Turkiye may be 4,700 to 5,000 years old, potentially making it the oldest known shipwreck. A later mention kept the claim in view while underscoring that dating and vessel identification remain unresolved.
Researchers used AI to identify nearly 10,000 possible reactions that could turn carbon dioxide into fuels and chemicals, including pathways conventional methods missed. The routes now need laboratory validation and proof of industrial practicality.
A DNA recorder reconstructed mouse-cell lineages from the first division through organ formation, showing when cell types emerge and diverge. The method could sharpen research into developmental disorders and disease models.
People under general anesthesia still processed language, distinguished word types and anticipated narrative developments. The result separates unconscious information processing from conscious experience and could change how researchers assess awareness.
Day’s Recap