The dorsal raphe nucleus (DRN) serotonergic (5-HT) system has been implicated in regulating sleep and motor control; however, its specific role remains controversial. In this study, we found that ...

This past Saturday, when I should have been cleaning up the yard and folding some laundry, I was instead gazing into my laptop in the kitchen, finishing up a certificate program in artificial ...

A pair of large liquid natural gas tanks are seen in a parking lot near the Turning Basin at the Kennedy Space Center in Cape Canaveral, Florida, on Thursday, March 12, 2026. GREGG NEWTON AFP via ...

T hree years ago, amid Republican lawmakers’ burgeoning effort to reform higher education, Florida passed a law that bars courses with “unproven, speculative” content from appearing in ...

Robust Reinforcement Learning-based model for UAV self-separation under Uncertainty. Hybrid; Amsterdam , Noord-Holland , Netherlands; Aerosp ...

The State Department has shifted the model underpinning its internal chatbot, StateChat, from Anthropic’s Claude Sonnet 4.5 to OpenAI’s GPT-4.1, following President Donald Trump’s Feb. 27 directive ...

INDIANAPOLIS — “In 49 states, it’s an accountability rule. In Indiana, it’s a roadmap for schools, students and families to be successful.” That “roadmap” was unanimously approved by the Indiana State ...

Nicole Charky-Chami is a senior editor based in Los Angeles, writing and producing breaking news. She teaches journalism courses for UCLA Extension and previously taught at Loyola Marymount University ...

👋 Welcome to 5 Things PM! President Donald Trump will deliver his State of the Union address to a joint session of Congress tonight — and he warned that “it’s going to be a long speech.” Special ...

Boeing engineers Kevin Kwak (foreground) and Klaus Okkelberg confer with fellow team members Arvel Chappell III and Andrew Riha (both on-screen), who worked together to prototype a large language ...

The annual Census Bureau numbers released Jan. 27 are just a snapshot of one moment, but they show blue states failing to reproduce themselves and their residents fleeing to red states, of which the ...

Tesla (TSLA) is discontinuing Model S and Model X to free factory space for Optimus robots and robotaxi operations. Tesla Q4 net income dropped 61% year over year. The company plans $20B capex for ...