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Medical Xpress / What does the appendix do? Biologists explain the complicated evolution of this inconvenient organ

Most people know only two things about the appendix: You don't need it—and if it bursts, you need surgery fast.

Mar 9, 2026
Phys.org / Cockroaches that eat each other's wings become exclusive partners

Scientists have discovered that, far from being solitary insects, some cockroaches appear to form an exclusive bond with a partner. And how do they get this relationship off the ground? By eating each other's wings.

Mar 4, 2026
Medical Xpress / High-intensity interval training boosts muscle mitochondria, study shows

Researchers from the University of Southern Denmark investigated how eight weeks of high-intensity interval training affect the structure of mitochondria—the parts of muscle cells that produce energy. The study shows that ...

Mar 9, 2026
Phys.org / Binary star population of open cluster NGC 2158 explored with Hubble

Astronomers have analyzed the images collected by the Hubble Space Telescope (HST) to investigate a galactic open cluster known as NGC 2158. Results of the study, published Feb. 25 on the arXiv pre-print server, provide essential ...

Mar 5, 2026
Medical Xpress / How post-stroke aphasia disrupts fluent speech

A study led by a speech neuroscientist at The University of Texas at Dallas sheds light on how damage from stroke disrupts the brain mechanisms required for fluent speech. The research, published in NeuroImage, could help ...

Mar 9, 2026
Tech Xplore / Liquid-metal pupil helps an artificial eye adapt to sudden light changes

Computer vision technologies are artificial intelligence (AI)-powered systems that can capture, analyze, and interpret visual data captured from real-world environments. While these systems are now widely used, many of them ...

Mar 6, 2026
Medical Xpress / Preventing breast cancer resistance to CDK4/6 inhibitors using genomic findings

Researchers at Memorial Sloan Kettering Cancer Center (MSK) have made an important discovery about how genetic mutations in breast cancer patients can interact and drive resistance to certain drugs called CDK4/6 inhibitors. ...

Mar 8, 2026
Medical Xpress / Elevated heart failure risk identified in adults with prediabetes, hypertension and subclinical heart injury or stress

A new study from researchers led by Johns Hopkins Medicine reports substantial new evidence that elevated blood biomarkers of subclinical heart injury or stress—heart muscle damage without symptoms of a heart attack—are ...

Mar 9, 2026
Medical Xpress / An AI-informed model of human reward-based learning: Hybrid approach could aid studies of mood disorders

People's decisions are known to be influenced by past experiences, including the outcomes of earlier choices. For over a century, psychologists have been trying to shed light on the processes underpinning human decision-making ...

Mar 6, 2026
Medical Xpress / Cheek cells may provide clues to schizophrenia risk

A simple cheek swab could one day provide a quick and noninvasive diagnostic test for schizophrenia. A new study published in Science Advances has identified higher levels of two biological markers in the cheek swabs of patients ...

Mar 6, 2026
Medical Xpress / The tryptophan switch? Why exercise boosts your mood

One in five Canadians is living with mental health challenges such as anxiety and depression at any one time.

Mar 9, 2026
Phys.org / 'Nano-origami' reshapes liquid droplets into six-pointed stars

For the first time, researchers in France and Israel have observed how an emulsified liquid droplet can transform from a hexagon into a six-pointed star shape in response to rising temperature. Publishing their results in ...

Mar 4, 2026