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Phys.org / First 3D views explain how primate cone pigments distinguish red from green

Human color vision depends on three types of cone cells in the retina. Although all three contain the same light-absorbing molecule, 11-cis-retinal, differences in the surrounding protein determine sensitivity to red, green ...

Jul 27, 2026
Tech Xplore / 3D-printable material can heal the body, build better robots and recover critical minerals

A new type of 3D-printable material developed by researchers at The University of Texas at Austin mimics human tissue's ability to sort and filter, allowing certain molecules to pass through while keeping others out. This ...

Jul 26, 2026
Phys.org / Kindness emerges intuitively in young children before reflection catches up, study finds

While humans are inherently social beings, psychology studies suggest that their social skills are gradually fine-tuned over time and with experience. Understanding when different social skills emerge and how they typically ...

Jul 22, 2026
Phys.org / Hidden DNA copying may give bacteria a faster route to antibiotic resistance

The dangers of antibiotic overuse have become increasingly clear in recent decades. Excessive use accelerates the evolution of bacterial resistance to antibiotics, raising the alarming prospect of infections that no longer ...

Jul 27, 2026
Medical Xpress / Trunk stability emerges as stronger balance marker than hip strength in older adults

Maintaining balance is essential for preserving functional independence during aging. A study led by researchers from Miguel Hernández University of Elche (UMH) and ISABIAL suggests that trunk stability may play a particularly ...

Jul 28, 2026
Medical Xpress / Few young adults receive palliative care as part of advanced cancer treatment

Few young adults receive palliative care (PC) as part of treatment for stage 4 solid tumors or poor-prognosis high-grade brain tumors, according to a research letter published online July 23 in JAMA Network Open.

Jul 28, 2026
Medical Xpress / Smart wound dressing speeds up healing by triggering body's own repair signals

A bioinspired material developed by scientists at Imperial College London accelerates wound healing and the repair of human skin. The material captures the body's own healing proteins, releasing them only when repair cells ...

Jul 27, 2026
Tech Xplore / Researchers reveal how 'ductile' tunnel supports deform under simulated squeezing-ground pressure

When mountain tunnels are constructed in weak ground or under high ground pressure, the surrounding ground may deform significantly inward into the tunnel, a phenomenon known as squeezing ground. Under such conditions, conventional ...

Jul 28, 2026
Phys.org / Portugal's ancient giant bears shrank over thousands of years and humans may be to blame

About 22,000 years ago, a giant brown bear lumbered across what is now Portugal. The creature weighed around 385 kg (about 850 pounds), making it one of the largest of its kind ever found, towering over the Iberian brown ...

Jul 23, 2026
Medical Xpress / Impaired functioning of the brain's clearance system could be involved in various neurodegenerative diseases

A study conducted by the University of Barcelona provides new evidence on the role of the glymphatic system, which clears waste from the brain, in neurodegenerative diseases. The study shows that patients with conditions ...

Jul 28, 2026
Medical Xpress / Newly identified molecule could help regulate sleep

Sleep is known to be essential for survival, as it allows both humans and other animals to rest, while the brain consolidates memories and clears out metabolic waste products. For many people worldwide, however, falling asleep ...

Jul 22, 2026
Medical Xpress / Experimental immunotherapy may help patients with high-risk bladder cancer avoid bladder removal surgery

A Mayo Clinic-led international phase 3 study found that a new immunotherapy helped many patients with an aggressive form of bladder cancer keep their bladder instead of having it surgically removed. The treatment also kept ...

Jul 28, 2026