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Chronic fatigue syndrome creates conditions where pathogen-killing immune T cells become exhausted, according to a new Cornell University study.

The study’s authors knew the immune system was dysregulated in patients with myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) but wondered which parts shift with the condition.

A systematic exploration revealed that key CD8+ T cells displayed one of the most pronounced signatures of dysregulation, with signs of constant stimulation that lead to an exhausted state, a condition that is well-studied in cancer.

Northwestern University engineers have achieved quantum teleportation over fiber optic cables already carrying Internet traffic, an advance that could simplify the infrastructure needed for quantum computing and advanced sensing technologies, the university is reporting.

The study, published in Optica, demonstrates that quantum communication can coexist with classical Internet signals in the same cable.

“This is incredibly exciting because nobody thought it was possible,” said Prem Kumar, an electrical engineering professor at Northwestern and the study’s lead researcher. “Our work shows a path towards next-generation quantum and classical networks sharing a unified fiber optic infrastructure. Basically, it opens the door to pushing quantum communications to the next level.”

Besides offering a gene expression switch, MeiraGTx attends to vector optimization, manufacturing, and pipeline expansion.

Smartwatch bands from popular brands have been found to contain high concentrations of toxic for forever chemicals, also known as PFAS (per-and polyfluoroalkyl substances). These synthetic chemicals do not break down easily in the environment and build in our bodies over time, hence earning them the nickname of forever chemicals.

PFAS are used in various consumer products, including non-stick cookware, water-resistant clothes, carpets, mattresses, food wraps, and more. Exposure to PFAS has been linked to serious health problems, including increased risks of certain cancers, hormone disruption, weakened immune systems, and developmental delays in children. These chemicals can leach into water, soil, and food, making them a growing public health concern worldwide.

A new study published in the journal Environmental Science & Technology Letters has found that smartwatch bands made of fluoroelastomers contain a very high concentration of a forever chemical known as perfluorohexanoic acid (PFHxA).

Patterns of human endogenous retrovirus expression linked to decreased neurodegenerative disease risk.

Researchers at the University of Michigan have developed a method to generate bright, twisted light using technology similar to an Edison light bulb. This breakthrough overcomes the challenges of producing twisted light with sufficient brightness using traditional methods like electron or photon luminescence.

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Did some famous people throughout history have ADHD? Researchers explain why yes, some could have been neurodivergent and why the traits may be increasing today.

XR Today reports on the latest extended reality news from around the globe, including virtual reality, augmented reality and mixed reality.

Chinese AI startup DeepSeek, known for challenging leading AI vendors with its innovative open-source technologies, today released a new ultra-large model: DeepSeek-V3.