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Entrepreneur Feature Highlights Sign Strategies From Nine Mom-and-Pop Businesses

Entrepreneur's September 2026 issue profiles nine small businesses from its America's Favorite Mom & Pop list, focusing on how they designed their storefront signs to reflect their identity. Owners of shops like Latinx with Plants, Staci's Sandwich Joint, and Dead People's Stuff explain the reasoning behind their sign choices, from cultural symbolism to clean, glowing storefronts meant to draw in passersby.

EPA Repeals 2024 Carbon Limits on Coal and Gas Power Plants

The US Environmental Protection Agency announced on September 14 that it is rescinding the 2024 Carbon Pollution Standards, which had required coal plants and new gas plants to capture 90 percent of their carbon emissions or close by 2039. The agency says the rollback will save industry $370 million in compliance costs, but has not disclosed the resulting public health toll.

North Korea's WaterPlum hackers infect 30,000 devices via fake job coding tests, steal $10.7M

Cybersecurity agencies from Japan, the US, Australia and Germany issued a joint advisory identifying North Korea's WaterPlum group as the actor behind malware hidden in fake job application coding tests. The scheme has infected over 30,000 devices across 100 countries and compromised more than 7,000 crypto wallets, netting $10.71 million believed to fund the North Korean government.

Health and environmental groups sue EPA over power plant climate rule repeal

A coalition including the American Lung Association, American Public Health Association, Clean Air Council, Clean Wisconsin, Environmental Defense Fund and NRDC has filed a petition asking the DC Circuit Court of Appeals to review the EPA's recent repeal of climate rules for power plants. The groups argue the repeal violates the Clean Air Act and could lead to thousands of preventable deaths by leaving the largest industrial source of climate pollution unregulated.

SK Hynix in talks to make Apple memory chips at Intel's Ohio plant

Reuters reports that SK Hynix, which supplies Apple with RAM and flash memory, is discussing a deal with Intel to produce chips at Intel's planned Ohio facility, potentially leasing part of the site. This would mark the first time the South Korean company manufactures memory chips on US soil, though sources say details remain unclear and nothing has been finalized.

Fusion Startups Raise Billions Despite Unresolved Power-Plant Physics Hurdles

Private fusion companies raised $3.8 billion in the first eight months of this year, already surpassing all of last year's investment, as firms like Pacific Fusion and Helion Energy push toward commercial electricity targets. Despite this funding surge and scientific milestones like the National Ignition Facility's 2022 net energy gain experiment, no company has yet demonstrated a system that produces more electricity than it consumes on a sustained, grid-ready basis.

SK hynix in talks with Intel to build US memory chip manufacturing capacity

SK hynix is reportedly discussing options with Intel for U.S.-based chip production, including leasing space at Intel's under-construction Ohio One facility or forming a joint venture involving Intel and AI hyperscalers seeking HBM supply. The talks come as SK hynix expands its Indiana HBM packaging plant following its $26.5 billion Nasdaq listing, though neither company has confirmed the discussions.

Study reveals how salicylic acid switches on plant immune genes via NPR1-Mediator complex

Researchers used structural biology techniques, including crystallography and molecular cloning of Arabidopsis proteins such as NPR1, NPR3, NPR4, MED15 subunits and TGA3, to map how the hormone salicylic acid triggers plant defense gene transcription. The work details the physical interactions between the NPR1 receptor and Mediator complex components that turn on immune responses in plants.

Past Lives podcast retells the 2,500-year-old Siberian Ice Maiden's final journey

A Past Lives episode reconstructs the story of Asana, a young Scythian priestess whose mummified remains, known as the Siberian Ice Maiden, were found preserved in the Altai Mountains permafrost. The narrative imagines her final days, tracing how illness, a riding accident and her role as a spiritual diviner led her to the high plateau where she died roughly 2,500 years ago. The piece situates her individual story within the broader Scythian nomadic world of the Eurasian steppe.

EPA finalizes repeal of Biden-era power plant carbon standards

The EPA finalized a rule dismantling most of the 2024 Carbon Pollution Standards for power plants, claiming the Clean Air Act doesn't authorize requiring pollution control technology it deems unproven. The agency also proposed eliminating all remaining greenhouse gas emissions requirements for power plants, asserting their emissions have no meaningful climate impact.

EPA moves to scrap greenhouse gas limits on coal and gas power plants

The Trump administration's EPA, led by Lee Zeldin, has finalized plans to eliminate federal limits on greenhouse gas emissions from coal and natural gas power plants, rolling back rules established under the Biden and Obama administrations. A companion rule would also try to block future administrations from reinstating such restrictions on power plant emissions.

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