Science & Tech

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

Meta rolls out Muse Spark, a new multimodal AI assistant across its apps and AI glasses

Meta introduces Muse Spark, a multimodal AI powering the Meta AI app and expanding to WhatsApp, Instagram, Facebook, Messenger and AI glasses.

#meta, #ai, #musespark, #privacy

Study projects nearly 2.6 billion people could face frequent ‘hot‑dry’ heat-and-drought extremes by 2090s

A new study finds that under current trajectories about 28% of humanity—nearly 2.6 billion people—could face frequent simultaneous heat and drought by the 2090s.

#climate, #heat, #drought, #adaptation

NASA Begins Scrutinizing Artemis II’s Lunar Flyby Data as Orion Heads Home

After Artemis II's lunar flyby, NASA is analyzing 50+ GB of images, audio and measurements — including meteoroid flashes and far‑side imagery — as Orion returns.

#space, #nasa, #artemis, #moon

Anthropic’s New AI Finds Thousands of Vulnerabilities, Launches Project Glasswing

Anthropic says its Claude Mythos model uncovered thousands of previously unknown software flaws; Project Glasswing gives vetted partners guarded access for defensive work.

#ai, #cybersecurity, #open-source, #anthropic

NIH Spotlights Women's Health and BRAIN Tech Partnerships — No New Funding Announced

NIH's April 7 meetings emphasized maternal health, equity and disseminating BRAIN technologies — but released no new funding or formal policy changes.

#nih, #womenshealth, #braininitiative, #researchfunding

Glial relay in hypothalamus links blood sugar to appetite suppression

Rodent study reveals a glia‑to‑glia‑to‑neuron circuit: tanycytes release lactate, activating astrocytes that excite appetite‑suppressing POMC neurons.

#neuroscience, #appetite, #glia, #hypothalamus

NOAA‑20 Misses Ground Contact, Causing One‑Orbit Delay in Weather Data

NOAA reports a brief delay in stored mission data from polar satellite NOAA‑20 after an April 6 ground contact miss; engineers expected recovery on a later pass.

#noaa, #weather, #satellites, #satelliteops