/daily ·13 JUL 2026 ·MONDAY ·2 MIN READ ·6 STORIES

Old light, deep chemistry

The universe's brightest ancient objects confused cosmologists again, while deep-ocean pressure rewrote the menu for microbial life in the dark.

01 / The Day

MONDAY 13 JUL 2026, ranked

Euclid telescope finds universe's oldest and brightest quasars

The Euclid space telescope has identified the oldest and most luminous quasars yet observed, intensifying the mystery of how supermassive black holes reached such mass so early in cosmic history — faster than standard formation models can account for.

Why it mattersEach quasar found near the edge of observable time is another data point that challenges the standard model of how early galaxies and their central black holes co-evolved.

01 phys.org↗

Deep-sea pressure squeezes nutrients from sinking particles, feeding microbes

A study in Science Advances found that extreme hydrostatic pressure in the deep ocean extracts dissolved organic compounds from sinking particulate matter, creating an unexpected supplementary food source for deep-sea microbial communities — and revising estimates of how much organic carbon reaches the seafloor intact.

Why it mattersRewriting the deep ocean's energy budget changes estimates of the biological carbon pump and, by extension, climate models that depend on accurate carbon sequestration accounting.

02 sciencedaily.com↗

Tau protein found essential for forming memories, not only destroying them

A mouse study via Flinders University reveals that tau — best known for forming Alzheimer's toxic tangles — is required for converting experiences into long-term memories by organizing hippocampal engram cells. Abnormal tau impairs both memory formation and retrieval through distinct mechanisms.

Why it mattersIf tau has a required physiological role in memory encoding, Alzheimer's therapeutic strategies targeting it need to distinguish between disrupting its pathological and its normal function.

03 sciencedaily.com↗

Extensive training physically rewires the brain to enable true multitasking

Research demonstrates that extensive practice in specific tasks physically reorganizes brain circuitry, routing those tasks around the prefrontal cortex into specialized pathways — enabling genuine parallel processing rather than rapid sequential attention-switching.

Why it mattersThe result has implications for how expertise is trained and assessed, and challenges cognitive-load assumptions embedded in interface and workflow design.

04 sciencedaily.com↗

Gravitational wave catalogue reveals hidden subpopulations in black hole mergers

Statistical analysis of the accumulating gravitational wave event catalogue has identified distinct subpopulations within black hole mergers, suggesting different formation channels — dense star clusters, isolated binary evolution, and active galactic nuclei — each producing detectable mass and spin signatures.

Why it mattersUnderstanding why black holes merge, not just that they do, connects gravitational wave astronomy back to stellar evolution and galactic dynamics at large.

05 phys.org↗

Broad Institute cuts genome sequencing cost by 75% with blended exome method

The Broad Institute's Blended Genome Exome approach reduces whole-genome sequencing costs by approximately 75% by combining depth optimization with targeted enrichment — making population-scale genetic studies of complex diseases, including psychiatric conditions, economically routine.

Why it mattersA 4x cost reduction moves whole-genome studies from expensive national projects to standard investigator grants; historically these shifts accelerate the pace of discovery substantially.

06 phys.org↗

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Past days

The Daily Archive

/SAT 01 AUGChromosomes, Craters, and Convergence /FRI 31 JULSmallpox origins confirmed; first photonic time crystal /THU 30 JULThe Old Mystery Edition /WED 29 JULWednesday, 29 July — New phases; old planet, rewritten /TUE 28 JULEnzymes, methane, and a bad day for French wildfire crews /MON 27 JULAlphaFold Redesigns Gene Editors, Starship 13 Nails the Landing, and Saber-Toothed Cats Were Inbred /SUN 26 JULGene Therapy, Rogue CRISPR, and a Moon That Shouldn't Exist /SAT 25 JULGut peptide, quantum light, ancient virus stopper /FRI 24 JULFields Medal Morning /WED 22 JULFaint planet, unreliable cosmos, ambitious neuron /TUE 21 JULAtmosphere on a rocky world, and shortcuts through the quantum /SUN 19 JULThe K-Pg impactor, named at last /SAT 18 JULThings found where they shouldn't be /FRI 17 JULFriday in Science: Atmospheres, Antimatter, and Ancient Warriors /WED 15 JULMethane, hidden stars, and elephants that hear through the ground /TUE 14 JULProteins, sugars, and a Feynman puzzle /MON 13 JULOld light, deep chemistry /SAT 11 JULThe universe's small print /FRI 10 JULCold atoms, old bones, and quiet carbon /THU 09 JULThe crust splits; the sky brightens; the fake science slips through /WED 08 JULDark matter detector, macroscopic entanglement, and the 125-year ceiling