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Blood vessels twist, branch, narrow, and balloon in ways that dramatically affect how blood flows -- but most lab models have long treated them like straight pipes. Researchers at Texas A&M have now built a new kind of "vessel-chip" that mirrors the ...

Why does the same virus barely faze one person while sending another to the hospital? New research shows the answer lies in a molecular record etched into our immune cells by both our genes and our life experiences. Scientists at the Salk Institute . ...

A bonobo named Kanzi surprised scientists by successfully playing along in pretend tea party experiments, tracking imaginary juice and grapes as if they were real. He consistently pointed to the correct locations of pretend items, while still ...

Ultra-processed foods are everywhere in the American diet, and researchers are finding alarming consequences. Using national health data, scientists found that adults with the highest intake of these foods had a 47% higher risk of heart attack or ...

Scientists have uncovered a surprising way tumors turn the immune system to their advantage. Researchers at the University of Geneva found that neutrophils--normally frontline defenders against infection--can be reprogrammed inside tumors to fuel ...

Human evolution has long been tied to growing brain size, and new research suggests prenatal hormones may have played a surprising role. By studying the relative lengths of index and ring fingers -- a clue to oestrogen and testosterone exposure in .. ...

Autism has long been thought of as a condition that mostly affects boys, but a massive study from Sweden suggests that idea may be misleading. Tracking nearly 3 million people over decades, researchers found that while boys are diagnosed more often . ...

A large U.S. study suggests that not getting enough lycopene--the antioxidant that gives tomatoes their red color--may seriously raise the risk of severe gum disease in older adults. Researchers found that seniors with adequate lycopene intake had .. ...

A sweeping new review of ADHD treatments--drawing on more than 200 meta-analyses--cuts through years of mixed messaging and hype. To make sense of it all, researchers have launched an interactive, public website that lets people with ADHD and ...

Researchers at the University of Michigan have created an AI system that can interpret brain MRI scans in just seconds, accurately identifying a wide range of neurological conditions and determining which cases need urgent care. Trained on hundreds . ...