Science & Tech

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.

#astrophysics, #gammarays, #cosmicrays, #lhaaso, #cygnusx3

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.

#ai, #aerodynamics, #turbulence, #reinforcementlearning

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.

$TTWO, #cybersecurity, #gaming, #cloud, #data-breach

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.

$AMZN, #amazon, #inflightwifi, #starlink, #aviation

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.

#gene-editing, #crispr, #aav, #biotechnology

Brazil launches e‑SUS AF, national platform to manage medicines across SUS pharmacies

Brazil's Health Ministry launched e‑SUS AF, a national platform to modernize how medicines are bought, stocked and dispensed across the public SUS system.

#brazil, #health, #pharmacy, #healthit

Brazil's new cancer framework promises free advanced therapies through SUS and a push for domestic production

Brazil approved a framework to expand free access to advanced cancer therapies via SUS, speed regulatory reviews and favor domestic production.

#brazil, #healthcare, #cancer, #anvisa

Engineered "Smart" Nanomaterial Reduces Intracellular MRSA in Mice and Piglets, Study Shows

Lab-made peptide–dendron nanoparticles reshape in response to bacterial enzymes and reduce intracellular MRSA in mice and piglets, a step toward smart antimicrobials.

#nanomedicine, #mrsa, #antibiotics, #ferroptosis

Study: dual‑target off‑the‑shelf CAR‑T cells resist rejection, curb tumor escape in mice

Nature Communications study finds donor 'off‑the‑shelf' CAR‑T cells targeting CD19 and CD70 persist longer and better control tumors in preclinical models.

$ALLO, #car-t, #immunotherapy, #allogeneic, #cd70

Engineered ‘living’ cell implant normalizes blood pressure in mice, study shows

Engineered human cell implants sense angiotensin II and secrete soluble ACE2 to restore normal blood pressure in hypertensive mice.

#syntheticbiology, #hypertension, #genetherapy, #ace2

Governance Hack on April 1 Drains Up to $285 Million From Drift and Exposes DeFi Weaknesses

On April 1 attackers used pre-signed Solana governance transactions to seize Drift’s admin keys, siphoning about $270–285M and raising questions about USDC bridges.

#crypto, #solana, #defi, #hack

Pol32 phosphorylation strengthens RPA binding and promotes mutagenic break‑induced replication in yeast

Study in budding yeast finds phosphorylation of two threonines in Pol32 strengthens its binding to RPA and promotes mutagenic break‑induced replication.

#dna-repair, #bir, #pol32, #yeast

23andMe study finds common gene variants modestly affect weight loss and nausea on GLP‑1 drugs

A Nature paper by 23andMe links common DNA variants to small differences in weight loss and nausea on GLP‑1 drugs; the company released a consumer report.

#genetics, #glp1, #23andme, #weightloss, #semaglutide

Amazon Plans $200 Billion in 2026 to Build AI Infrastructure, Satellites and Faster Delivery

In his 2025 shareholder letter, CEO Andy Jassy says Amazon will spend about $200 billion in 2026 on AI data centers, custom chips, satellites and logistics.

#amazon, #ai, #cloud, #chips, #logistics

Meta expands Instagram’s '13+' teen experience globally and adds parent‑controlled 'Limited Content' that removes comments

Meta will default Instagram users under 18 to a 13+ experience worldwide and add a stricter parental 'Limited Content' mode that removes comments.

#instagram, #meta, #teens, #parentalcontrols, #contentmoderation