Individual retinal ganglion cells are singularly activated in the living primate retina via an adaptive optics scanning light ophthalmoscope.

Nicole Kleinstreuer, who is leading an NIH effort to reduce the use of animals in research, began thinking about the issue as a toxicologist at the EPA ...

Stem cell therapy reversed stroke damage in mice, regenerating neurons and restoring movement. The findings bring scientists ...

In the realm of memories, "where" holds special importance. Where did I leave my keys? Where did I eat dinner last night?

The 2008 film Wall-E depicted Earth as a post-apocalyptic wasteland with nothing on it but the abandoned remnants of human ...

Penn biologists present new evidence on how telomere length is inherited in early embryos. Their findings open new avenues ...

A new preclinical study titled "Intravitreal Transplantation of Retinal Progenitor Cells Improves Outcome Measures in a Rat ...

Some animals, called extremophiles, can survive even the harshest conditions possible, like the inside of a volcano or even outer space.

A vaccine against a deadly disease that affects young elephants is shown to be effective in a world-first trial.

Is It Effective? Creatine has long been a popular supplement for athletes and bodybuilders who want to boost muscle strength ...

Spinal muscular atrophy affects all the body's muscles. For a long time, it was considered a disease caused solely by the ...

In the summer of 2022, toxins produced by the brackish-water algae Prymnesium parvum killed about 1,000 metric tons of fish, ...