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Consider the marvelous physics of the human knee. The largest hinge joint in the body, it has two rounded bones held together by ligaments that not only swing like a door, but also roll and glide over each other, allowing ...

Intravenous tenecteplase administered within 4.5 hours after onset of central retinal artery occlusion does not improve vision recovery at 30 days compared with oral aspirin, according to a study published in the Jan. 29 ...

Leading English-language news outlets often misuse the term "hard-right" to describe far-right political movements, potentially softening their extremist image and boosting their electoral appeal, according to a new study ...

Brazilian researchers have developed a synthetic compound that has the potential to treat malaria and block its transmission. The new molecule acts during three phases of the disease cycle, eliminating the asexual form of ...

Two out of three adolescents with irritable bowel syndrome (IBS) start adulthood without the disease, according to a long-term study that followed more than 2,500 individuals. The researchers also note that several factors ...

Imagine shining a flashlight into a material and watching the light bend backward—or in an entirely unexpected direction—as if defying the law of physics. This phenomenon, known as negative refraction, could transform ...

Some brands of bottled water contain significantly higher levels of microplastics than tap water, according to new research by scientists who have developed a novel method for detecting these tiny particles.

When extreme weather strikes, the preparations of emergency planners can have life-or-death consequences. In July 2025, central Texas flooded with disastrous consequences, killing more than 130 people.

An analysis of an unusual enzyme could result in a new generation of antimicrobial medicines to counter antibiotic resistance. Key details in the enzyme-driven biosynthesis of a natural molecule with potent antibiotic activity ...

You check into a hotel and toss and turn all night, but your sleep improves the following night. Scientists at Nagoya University wanted to understand why this happens. Working with mice, they have identified a group of neurons ...

Results from a pilot clinical trial evaluating the safety and feasibility of repeated focused ultrasound-induced blood–brain barrier (BBB) opening combined with the monoclonal antibody drug Avastin (bevacizumab) in patients ...

For people who are at high risk of developing breast cancer, frequent screenings with ultrasound can help detect tumors early. MIT researchers have now developed a miniaturized ultrasound system that could make it easier ...