Judges seem skeptical of Pentagon arguments in case brought by Sen. Mark Kelly

Welcome to The Hill’s Defense & NatSec newsletter {beacon} Defense &National Security Defense &National Security   The Big Story Judges seem skeptical of Pentagon arguments in case brought by Sen. Mark Kelly A federal appeals court panel didn’t appear convinced by Defense Department efforts to censure Sen. Mark Kelly (D-Ariz.) and lower his retirement rank……

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Mitochondria can spawn new ‘organelles’ — hinting at how modern cells evolved

Researchers are discovering that mitochondria (blue), known as cells’ power plants, also play parts in cells’ immune responses.Credit: David M. Phillips/Science Photo Library When a parasite invades a cell, the cell’s mitochondria react by shedding their outer layers to form brand-new cellular compartments — or organelles — that digest molecular trash. Cells are swapping their…

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2026 Chess.com Open Playoffs Day 4: Carlsen Wins Chess.com Open, Recovers From Tough Start Vs. Duda

Team Liquid’s GM Magnus Carlsen won the 2026 Chess.com Open Playoffs after defeating GM Jan-Krzysztof Duda in an exhilarating Grand Final. Duda, coming from the Losers Bracket, dominated the first match 2.5-0.5, but Carlsen came back in the Match Reset with a 2-0 sweep.  Carlsen wins $50,000, Duda $35,000, and both players have qualified for…

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