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Medical Xpress / For real heart protection, the weekly exercise number climbs far beyond current advice

Adults should aim to do between 560 and 610 minutes a week of moderate to vigorous physical activity to achieve a substantial reduction in the risk of heart attacks and stroke, suggest the findings of an observational study ...

May 19, 2026
Phys.org / Tritium-infused graphene could sharpen the hunt for neutrino mass

While neutrinos are some of the most abundant particles in the universe, they remain among the least understood. One of the biggest puzzles is their mass: although experiments have shown that neutrinos must have some mass, ...

May 19, 2026
Phys.org / Climate catch-22: Cleaning up air pollution could speed key Atlantic current decline

It may sound counterintuitive, but new research suggests that cleaning up air pollution could contribute to a weakening of the Atlantic Meridional Overturning Circulation (AMOC). This is the ocean current system that acts ...

May 19, 2026
Phys.org / A de-extinction company has hatched live chicks from an artificial eggshell

A biotech company that aims to resurrect lost creatures said Tuesday it has hatched live chicks in an artificial environment—a development that was met with mixed reviews from scientists and critics of its de-extinction mission.

May 19, 2026
Science X / Morning coffee may give early Parkinson's brains an unexpected edge where everyday thinking starts to slip

Forgetting familiar faces, struggling to make simple decisions, or taking longer than usual to respond to stimuli are just a few examples of how cognitive decline can appear in everyday moments for many people with Parkinson's ...

May 19, 2026
Phys.org / MeerKAT discovers 15 new millisecond pulsars in a well known globular cluster

Using the MeerKAT radio telescope, an international team of astronomers has discovered 15 new millisecond pulsars in 47 Tucanae—one of the closest and best studied globular clusters. The finding is reported in the latest ...

May 19, 2026
Medical Xpress / Handwriting speed may be a sign of cognitive decline in older people

Handwriting requires a combination of fine motor control and a complex set of mental skills, such as selecting, organizing, and interpreting sensory information, making it a cognitively challenging task. Because of its high ...

May 20, 2026
Medical Xpress / Study identifies key protein in immune cell exhaustion in cancer immunotherapy

CAR T-cell therapy is considered a milestone in personalized cancer treatment. In this approach, a patient's own immune cells are genetically modified to recognize and destroy tumor cells. While it has already shown impressive ...

May 19, 2026
Phys.org / SIRT6 protein could protect against age-related breakdown in chromatin, possibly help reverse aging

Researchers at Bar-Ilan University have successfully restored youthful patterns of DNA organization in the livers of old mice, reversing key molecular features associated with aging. The study, published in Nature Communications, ...

May 19, 2026
Medical Xpress / A new way to recharge aging muscle stem cells by restoring a key metabolic component

Losing muscle strength is a natural part of aging. At the core of this decline is a drop in the number of muscle stem cells (MuSCs), the specialized cells responsible for maintaining and regenerating muscle tissue throughout ...

May 18, 2026
Phys.org / Amazonian cocoa has a new edge: Two standout cultivars could change how growers fight witches' broom

Witches' broom disease, caused by the fungus Moniliophthora perniciosa, decimated cocoa crops in southern Bahia state, Brazil, in the 1990s. It was even the subject of a local soap opera and continues to plague the chocolate ...

May 19, 2026
Phys.org / Chemists use sea sponge bacteria to create new molecules for drug discovery

Florida State University chemists have synthesized new molecules derived from bacteria found in a Pacific Ocean sea sponge, a breakthrough for the future of drug development, particularly for rare forms of cancer.

May 19, 2026