Ultramarathons might push red blood cells past their limits—accelerating their aging in the process. Running extreme distances may take a toll…

Babies in the womb were exposed to far more “forever chemicals” than scientists ever realized—and we’re only beginning to understand what…

A new study links lifelong “cognitive enrichment” to delayed Alzheimer’s and mild cognitive impairment. Taking part in mentally engaging activities across…

Researchers at Scripps Research have redesigned fentanyl at the molecular level, challenging decades-old assumptions about opioid chemistry. Fentanyl ranks among the…

An artificial lung system sustained a patient for 48 hours without lungs, enabling a life-saving double transplant and highlighting the need…

MXene nanoscrolls transform flat 2D materials into conductive 1D structures, unlocking advances in energy storage, sensing, wearables, and superconductivity. Nearly 15…

Caltech’s new fiber-like photonic chips achieve record-low visible-light loss, enabling more coherent lasers and next-generation quantum and sensing technologies. Caltech researchers…

A newly observed acoustic time crystal uses sound waves to levitate particles that oscillate through nonreciprocal interactions. The discovery challenges classical…