Neural tissue normally dies quickly without oxygen. Yet bird retinas—among the most energy-demanding tissues in the animal ...

The discovery fundamentally changes the understanding of a structure in the avian eye that has been misinterpreted for centuries.

Biologists have finally solved a centuries-old mystery regarding how birds maintain sharp eyesight despite ...

It was long thought, up until recently, that asteroids and comets delivered Earth's oceans during the very early Solar System ...

A newly developed imaging method blends ultrasound and photoacoustics to capture both tissue structure and blood-vessel function in 3D.

Bird retinas survive without oxygen by burning sugar scientists solve 300 year mystery that could help treat human strokes.

New evidence reveals adult human hearts can regrow muscle cells after myocardial infarction, opening new possibilities for ...

The Arctic ground squirrel survives conditions that would cause irreparable brain damage in almost any other mammal on the ...

By the late 1990s, scientists realized that virus activity was likely shaping how carbon and nutrients cycled through ocean ...

Researchers from the California Institute of Technology (Caltech) and the University of Southern California (USC) have developed a hybrid imaging system that provides three-dimensional, colour-coded ...

The university's scientists have received a $28.5 million award from the Advanced Research Projects Agency for Health to develop a transplantable 3D-printed liver patch. The initiative ...