Science & Tech
Research, public health, and emerging technology — science, health, and tech in one feed.
Artemis II Crew Returns to Houston After 10-Day Lunar Flyby, Setting Distance Record
NASA’s Artemis II crew returned to Houston after a 10-day lunar flyby that made them the farthest humans from Earth and tested Orion and SLS systems.
H5N1 RNA detected in semen of California dairy bull, study finds
Researchers detected H5N1 genetic material in semen from a California dairy bull — the first such finding in cattle; no live virus was recovered and risks remain unclear.
Google paper sharply lowers hardware estimate for quantum attacks on elliptic-curve crypto
Google researchers estimate a quantum computer could break 256-bit elliptic-curve signatures with under 500,000 qubits, raising urgency for post-quantum migration.
JWST data suggest powerful galactic wind 300 million years after the Big Bang
JWST spectra show extended CIII] around a z≈14 galaxy, implying strong, metal‑rich outflows moved gas 300 million years after the Big Bang.
NVIDIA open-sources Nemotron 3 Super, a 120B Mixture-of-Experts LLM tuned for its GPUs
NVIDIA released Nemotron 3 Super, a 120B Mixture-of-Experts hybrid Mamba‑Transformer LLM with a 1M‑token context, open checkpoints and GPU‑optimized formats.
Amazon to Acquire Globalstar and Move Apple iPhone, Watch Satellite Services to Amazon Leo
Amazon agreed to buy Globalstar and will migrate Apple’s Emergency SOS and other iPhone/Watch satellite features onto its Amazon Leo LEO network.
FDA Issues Draft Guidance on Using Next-Generation Sequencing to Assess Genome-Editing Safety
FDA's draft guidance explains how developers should use next-generation sequencing to detect off-target edits and chromosomal damage before human trials.
Overwatch Season 2 'Summit' launches with new hero Sierra, post‑match accolades and Switch 2 upgrade
Blizzard launches Overwatch Season 2 ‘Summit’ with new damage hero Sierra, return of post‑match accolades, map reworks, cosmetics and a Switch 2 release.
Study: Cygnus X-3 Emits Petaelectronvolt Gamma Rays, Hinting at Galactic 'PeVatron'
LHAASO reports variable gamma rays up to petaelectronvolt energies from Cygnus X-3, suggesting the microquasar may be a Galactic PeVatron.
Preprint: Reinforcement-learning controller trained in surrogate flows cuts simulated wing drag in zero-shot tests
A preprint reports an RL controller trained in surrogate channel flows cuts simulated NACA4412 skin-friction ~29% and total drag ~11%; simulation-only, unreviewed.
ShinyHunters Leak Linked to Rockstar Mostly Reveals Cloud Analytics, Not GTA 6 Assets
ShinyHunters exposed Rockstar-related cloud analytics via an Anodot–Snowflake integration on April 13, not GTA 6 code or player data.
Amazon Unveils Amazon Leo Aviation Antenna for Planes; Delta and JetBlue Agree to Use It
Amazon unveiled a 58‑inch 'Leo' aviation antenna promising gigabit in‑flight Wi‑Fi; Delta and JetBlue signed deals as Amazon races to meet an FCC deadline.
Engineered miniature CRISPR achieves >80% editing in human cells and could fit inside AAV
Engineered miniature CRISPR raised editing in human cells from <10% to >80% and stays small enough to fit in AAV vectors — tests remain in cells.