Science & Tech

Joint ACT–Planck analysis strengthens hint of cosmic birefringence but systematics remain

Joint ACT–Planck analysis finds a 0.277° cosmic-birefringence hint at 4.8σ, but calibration and dust systematics mean a firm detection remains out of reach.

#cosmicbirefringence, #cosmology, #cmb, #planck, #act

H.E.S.S. detects no gamma-ray line from Galactic Centre, but reaches thermal Higgsino benchmark

H.E.S.S.'s deepest search found no gamma-ray line from the Galactic Centre but sets the strongest limits yet, probing thermal Higgsino models.

#darkmatter, #astronomy, #gamma-rays, #astrophysics

Preprint: GPU-Optimized SparkleDock Cuts Flexible Docking Benchmarks from Hours to Seconds

An arXiv preprint says SparkleDock, a GPU-first redesign of flexible docking, cuts benchmark runtimes from hours to seconds on GPU clusters.

#gpus, #drugdiscovery, #docking, #hpc

Elden Ring Tarnished Pack DLC and Switch 2 Tarnished Edition Arrive Aug. 28, 2026

Bandai Namco and FromSoftware will release a small paid Tarnished Pack DLC for existing players and a bundled Tarnished Edition for Nintendo Switch 2 on Aug. 28, 2026.

#eldenring, #fromsoftware, #bandainamco, #nintendoswitch2

BTCPay Server issues urgent v2.4.2 patch for critical vulnerability under active exploitation

BTCPay Server released v2.4.2 to fix a critical vulnerability being actively exploited and urges self-hosted operators to update immediately.

#bitcoin, #btcpay, #security, #nbxplorer

Radioligand 177Lu-PSMA-617 Delays Radiographic Progression in PSMA-Positive Hormone-Sensitive Metastatic Prostate Cancer, Phase 3 Trial Shows

Phase 3 PSMAddition trial found 177Lu‑PSMA‑617 added to hormonal therapy reduced risk of radiographic progression in PSMA‑positive mHSPC.

#prostatecancer, #radioligandtherapy, #pluvicto, #clinicaltrials

FDA Grants Accelerated Approval to Replimune’s Tudriqev for PD-1–Resistant Advanced Melanoma

FDA gives accelerated approval to Replimune’s Tudriqev with nivolumab for adults with PD‑1–resistant unresectable advanced melanoma; confirmatory trials required.

$RPLM, #melanoma, #fda, #oncology, #replimune, #drugapproval

GAO: Commerce Lags on CHIPS Act R&D, $7.8 Billion in Awards Canceled

GAO audit finds Commerce advancing CHIPS manufacturing but behind on R&D programs, lacking detailed plans after major award cancellations.

#chips, #semiconductors, #gaoreport, #commerce

IXPE observations strengthen evidence for vacuum birefringence around magnetar 1E 1547.0−5408

IXPE X-ray polarimetry, NICER and Parkes radio data show strong, phase-dependent polarization from magnetar 1E 1547.0−5408, supporting vacuum birefringence.

#ixpe, #magnetar, #vacuumbirefringence, #quantumelectrodynamics

Spent SpaceX Falcon 9 Upper Stage Predicted to Strike Moon; Plume Might Be Visible

A spent SpaceX Falcon 9 upper stage is predicted to strike the Moon Aug. 5; models suggest a sunlight-lit debris plume might be briefly visible from Earth.

#space, #moon, #spacex, #astronomy

9th Circuit Vacates Injunction Against Perplexity, Says Users — Not Perplexity — Accessed Amazon

A Ninth Circuit panel vacated an injunction against Perplexity’s Comet assistant, ruling the record shows users — not Perplexity — accessed Amazon.

$AMZN, #amazon, #perplexity, #cfaa, #ai, #ninthcircuit

PUNCH Mission Demonstrates 30-Minute Precision in Retrospective Forecast of 2025 Solar Storm

NASA’s PUNCH mission retrospectively predicted a May 31, 2025 coronal mass ejection would reach near‑Earth space within about 30 minutes.

#spaceweather, #nasa, #punch, #solarstorm

UK regulator warns hospitals to check Dräger Atlan anaesthesia workstations after expanded safety action

Britain's MHRA on Aug. 4 told hospitals to check Dräger Atlan anaesthesia workstations after an expanded safety action over a ventilator motor defect.

#medicaldevices, #patient-safety, #drager, #mhra

PTB reports interspecies optical‑clock comparison below 5×10⁻¹⁸ using transportable clock

PTB reports a transportable strontium lattice clock matched a stationary ytterbium‑ion clock to 4.3×10⁻¹⁸ uncertainty; result is a preprint.

#physics, #opticalclocks, #metrology, #ptb

Researchers Find Position-Independent KV Cache Reuse Can Let One User Hijack Another’s LLM Output

Researchers show position-independent KV-cache reuse in LLM inference can let attackers' context influence other users' outputs, posing risks for shared serving.

#ai, #security, #infrastructure, #ml, #llm