MeSH tree: D01.248.497.158
Every stroke begins with a sudden interruption of blood flow in the brain. But what happens afterward—why neurons continue to lose function and die over the following days—has remained one of the most important unanswered ...
Apr 28, 2026
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Photodynamic treatment of cancer is based on administering an initially inactive substance that is only activated in the tumor via targeted light irradiation. It then generates reactive oxygen species that kill the cancer ...
Apr 7, 2026
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A Skoltech scientist has raised the world's only isotope-labeled guinea pig. For 156 days, the animal, named Khryun, was given only heavy water to drink. Such water is non-radioactive and has long been used in biomedical ...
Mar 23, 2026
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Humans evolved in an atmosphere containing roughly 200–300 parts per million (ppm) of carbon dioxide (CO₂). Today, that figure sits above 420 ppm, higher than at any point in the history of our species.
Mar 14, 2026
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Before antibiotics and antiseptics, healers across ancient Egypt, Greece, and China reached for honey to treat wounds. Archaeological evidence shows humans have been harvesting and collecting honey for thousands of years—and ...
Mar 3, 2026
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Water, water, everywhere … how to decide which one to drink? Thirsty consumers face dozens of options these days, from tap to bottled to carbonated, flavored, infused and caffeinated waters. Increasingly, they're reaching ...
Mar 3, 2026
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A University of Tsukuba research team has found that drinking unsweetened, highly carbonated (sparkling) water during a three-hour esports session can help players maintain mental focus with less fatigue and greater game ...
Feb 27, 2026
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Oxidative stress is a direct consequence of an excess in the body of so-called free radicals—reactive, unstable molecules that contain oxygen. Free radicals are normal metabolic by-products and also help to relay signals ...
Feb 10, 2026
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For generations, fluoridated drinking water has helped safeguard the teeth of most American children. Yet recently, skepticism over this public-health measure has gained new traction, and some locales—including the states ...
Dec 11, 2025
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Children exposed to recommended levels of fluoride in drinking water show modest cognitive advantages in secondary school, with no clear evidence of harm to cognitive functioning around age 60, according to researchers at ...
