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Scientists have confirmed a neurobiochemical link between dopamine and cognitive flexibility. PET imaging shows that the brain increases dopamine production when completing cognitively demanding tasks, and that the more dopamine released, the more efficiently the tasks are completed. Armed with this information, physicians may soon be able to develop more precise treatment strategies for neurological and psychiatric disorders.
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ScienceDaily
Thousands of CDC employees who worked on things like preventing HIV and lead poisoning have been told they were subject to a reduction in force. Experts say people will die. Read more ›
7,555 fresh
The man was arrested after an 'incendiary device was ignited and thrown,' at a Tesla dealership in Loveland, Colorado, per police. Read more ›
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Apple today released watchOS 11.4, the fourth major update to the operating system that runs on the Apple Watch. watchOS 11.4 is compatible with the Apple Watch Series 6 and later, all Apple Watch Ultra models, and the Apple Watch SE 2. watchOS 11.4 can be downloaded on a connected iPhone by opening up the Apple Watch app and going to General > Software Update. To install the new software,... Read more ›
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More than 1,900 scientists and engineers have signed a letter saying they “see real danger in this moment” as the Trump administration slashes federal support for scientific research. “Wise investments by the US government have built up the nation’s research enterprise, making it the envy of the world,” says the open letter published on Monday. […] Read more ›
2,553 fresh
Justice Department Attorney General Pam Bondi says she wants Luigi Mangione to die if he's convicted of killing UnitedHealthcare CEO Brian Thompson. Read more ›
2,224 fresh
The documents reveal a DOGE affiliate is attempting to transfer the headquarters of an independent think tank, the United States Institute of Peace, to the government at no cost. Read more ›
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Trump said the nation would feel some financial pain due to tariffs. We're already in the thick of it. Read more ›
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The Institute of Museum and Library Services has long received bipartisan support. But after years of trying, President Donald Trump has delivered it a crushing blow. Read more ›
1,295 fresh
Joelle Pineau will leave the company in May. Pineau's successor remains unclear. Read more ›
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On Sunday, a few thousand people in Green Bay, Wisconsin, gathered to hear Elon Musk speak â and give away two giant cardboard checks for $1 million. Attendance at the event was limited to people who had added their names to a petition against âactivist judges,â created by Muskâs America PAC. He has promised money […] Read more ›
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Adobe shifts away from DEI hiring targets, joining Google and Meta in scaling back diversity efforts. Read more ›
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Amazon today has all-time low prices on the new M4 MacBook Air, with up to $60 off the 13-inch and 15-inch versions of the computer. Right now these discounts are only available on Amazon, and most of them have estimated delivery windows of early April. Note: MacRumors is an affiliate partner with Amazon and Best Buy. When you click a link and make a purchase, we may receive a small... Read more ›
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Sean "Diddy" Combs scored a win this week when a New York federal judge dismissed one of the sex assault lawsuits against him. Read more ›
859 fresh
If you want to experiment with world building for a game, GameForge helps deliver AI-generated storylines, characters and maps. Read more ›
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You could call Shinichiro Watanabe's Lazarus a retread of his masterpiece, Cowboy Bebop. That’s not to say the show is bad — based on the five episodes I’ve seen so far, Lazarus is still an entertaining and stylish ride. But I’ve just come to expect more from a legendary creator like Watanabe. It’s set in the year 2052, a near-future when a renowned neuroscientist released Hapna, a drug that can... Read more ›
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Elon Musk's Grok is being used on X to fact-check and add context. But it's mostly making things weird — by being used as an AI dunk assistant. Read more ›
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The government will seek the harshest punishment in its prosecution of the accused executive killer. Read more ›
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The Corps is pairing the new attack drone team with its prestigious shooting team. Rifles are cornerstones for the service. Drones could be too. Read more ›
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Tobey Maguire's perfect hair swoop just might make you bust out your own questionable dance moves. Read more ›
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ScienceDaily
A newly developed blood test for Alzheimer's disease not only aids in the diagnosis of the neurodegenerative condition but also indicates how far it has progressed, according to a new study. Read more ›
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To encourage scientists to speak up when people misuse science to serve political agendas, biology professor Mark Peifer of the University of North Carolina at Chapel Hill argues that eugenics should be included in college genetics curriculums. Read more ›
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Lithium-ion batteries, used in consumer devices and electric vehicles, typically last hours or days between charges. However, with repeated use, they degrade and need to be charged more frequently. Now, researchers are considering radiocarbon as a source for safe, small and affordable nuclear batteries that could last decades or longer without charging. Read more ›
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Many obese people report losing pleasure in eating rich foods -- something also seen in obese mice. Scientists have now discovered the reason. Long-term high-fat diets lower levels of neurotensin in the brain, disrupting the dopamine pleasure network and decreasing the desire to eat high-fat foods. Raising neurotensin levels in mice brings back the pleasure and aids weight loss. Bringing back the pleasure could help people break the habit of... Read more ›
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As little as five minutes a day of eccentric exercise could offer significant health benefits to those living a stagnant lifestyle. Read more ›
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People living with Long COVID often feel dismissed, disbelieved and unsupported by their healthcare providers, according to a new study. Read more ›
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Cold water immersion for seven days significantly improves cellular resilience and autophagic function, helping cells manage stress better. This adaptation could enhance health and longevity, potentially preventing diseases and slowing aging at a cellular level. Read more ›
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New research sheds light on the earliest days of the earth's formation and potentially calls into question some earlier assumptions in planetary science about the early years of rocky planets. Establishing a direct link between the Earth's interior dynamics occurring within the first 100 million years of its history and its present-day structure, the work is one of the first in the field to combine fluid mechanics with chemistry to... Read more ›
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Scientists used advanced data analysis and machine learning to identify the viral proteins that may trigger autoimmune disorders such as type 1 diabetes and rheumatoid arthritis. Read more ›
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By watching the ebb and flow of the brain's chemical signals, researchers are beginning to disentangle the molecular mechanisms underlying the intrinsic motivation to learn. In a new study of zebra finches, researchers show that a hit a dopamine tells baby birds when their song practice is paying off. The findings suggest that dopamine acts like an internal 'compass' to steer their learning when external incentives are absent. Read more ›
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Most popular sources
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36% 16 |
Business Insider
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27% 8 |
Gizmodo
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8% 10 |
The Verge
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5% 3 |
MacRumors
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3% 0 |
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01.04.2025 15:43
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