Science & Tech

Research, public health, and emerging technology — science, health, and tech in one feed.

science

XENONnT's Ionization-Only Search Tightens Limits on Few‑GeV Dark Matter

XENONnT's 7.8 tonne‑year ionization‑only search finds no dark‑matter signal, setting stronger limits on few‑GeV candidates and edging toward the solar‑neutrino floor.

#darkmatter, #xenonnt, #particlephysics, #neutrinos

science

Reanalysis Challenges DESI’s Claimed Signal for Dynamical Dark Energy

A new arXiv reanalysis finds DESI’s apparent hint of evolving dark energy is concentrated in one redshift bin and vanishes under alternate statistical checks.

#darkenergy, #desi, #cosmology, #arxiv

technology

Amazon says custom chips surpass $25 billion annual run rate as Trainium and Graviton power AWS AI

Amazon reports its custom-silicon business topped a $25B annualized run rate, citing Trainium, Graviton and multi-year AI customer commitments.

$AMZN, #amazon, #aws, #ai, #chips

technology

Sony to Stop Making Physical PlayStation Game Discs for New Releases from January 2028

Sony will discontinue producing physical discs for new PlayStation games released from January 2028, shifting future titles to digital-only sales.

$SONY, #sony, #playstation, #video-games, #digitaldistribution

technology

NASA Opens First Major New Wind Tunnel at Langley in Over 40 Years

NASA opened the Flight Dynamics Research Facility at Langley Research Center, a modern wind tunnel to test aircraft, drones and reentry vehicles.

#nasa, #windtunnel, #aeronautics, #langley

technology

EU to Begin Enforcing AI-Transparency Rules on Aug. 2, 2026

From Aug. 2, companies serving the EU must disclose AI interactions and mark synthetic audio, image, video and text under Article 50 — violations face heavy fines.

#ai, #eu, #regulation, #transparency

technology

Coinkite Warns Weak Randomness in Coldcard Firmware May Have Exposed Some Bitcoin

Coinkite says a 2021 firmware bug weakened seed randomness on older Coldcard devices, possibly exposing wallets; affected users must generate new seeds.

#bitcoin, #coldcard, #hardwarewallet, #security, #randomness

science

DESI preprint reports 1% measurement of the universe’s expansion at redshift 2.33

DESI's new preprint reports a 1% measurement of cosmic expansion geometry at z=2.33 from the Lyman‑alpha forest, tightening high‑redshift anchors for H0 and Ωm.

#cosmology, #desi, #lymanalpha, #darkenergy

health

Pfizer says Phase 3 LITFULO trials met key vitiligo endpoints; plans global regulatory filings

Pfizer said Phase 3 trials of LITFULO (ritlecitinib) met key endpoints in nonsegmental vitiligo across 2,174 patients, and it plans global regulatory filings.

$PFE, #pfizer, #vitiligo, #ritlecitinib

technology

AI agents can run experiments and draft papers but fail to produce publishable research, study finds

A new preprint shows AI agents can handle engineering tasks—code, experiments and paper drafts—but failed to make publishable advances in two NeurIPS case studies.

#ai, #research, #machinelearning, #neurips

science

Slovenian preprint claims light-programmable superconductivity in aluminium–silicon devices

A Slovenian arXiv preprint reports persistent, erasable superconductivity in aluminium–silicon devices controlled by ultrafast laser pulses; claims remain unverified.

#superconductivity, #lasers, #materials, #physics, #slovenia

science

New calculation narrows muon g-2 anomaly and refocuses debate on hadronic inputs

A 2026 Nature calculation brings the Standard Model into agreement with muon g‑2 measurements, shifting the controversy to hadronic vacuum polarization inputs.

#muon, #g2, #particlephysics, #standardmodel, #hvp

health

EU Authorizes Pfizer-BioNTech XFG-Adapted COVID-19 Vaccine for Ages 6 Months and Up

EU clears Pfizer and BioNTech’s 2026–27 XFG-adapted COVID-19 vaccine for people 6 months and older ahead of the 2026–27 respiratory season.

#covid19, #vaccine, #pfizer, #biontech, #xfg

health

Deramiocel improves arm function and cardiac measures in phase 3 trial as FDA advisory panel reviews Capricor's application

Phase 3 trial of deramiocel (CAP-1002) showed significant benefits on upper-limb function and cardiac measures; FDA advisory panel is reviewing the data.

$CAPR, #duchenne, #muscular-dystrophy, #biotech, #fda

technology

Microsoft brings Halo to PlayStation for first time with Campaign Evolved remake

Microsoft released Halo: Campaign Evolved on July 28 for PS5, Xbox Series X|S and PC — the first official Halo release on PlayStation, a ground-up remake focused on the single-player campaign.

$MSFT, #halo, #microsoft, #gaming, #playstation