Light-sensitive cells in the retina come in two main types: rods and cones. Rods are used for vision at low light and cones for color and bright light. A study in the September issue of the Journal of ...

Internal biological clocks, also known as circadian rhythms, are universally shared by living organisms, according to the University of Illinois Urbana-Champaign’s Agricultural, Consumer & ...

A global study published in Science Advances and co-led by Appalachian State University’s Dr. Zach Farris shows that vast ...

Bees occupy a central role in pollination, and their success in locating and utilising floral resources depends critically on their visual systems. Recent advances in imaging and quantitative analyses ...

Mammals were largely creatures of the night until the dinosaurs were killed off by an asteroid some 66 million years ago, a new study finds. The findings, described in the journal Nature Ecology & ...

The lunar cycle is known to affect the behaviour of strictly nocturnal species, but for diurnal species that are periodically active during the night, this has been less investigated. Nocturnal bird ...

Luz Marina Rojas, Raymond McNeil, Thérése Cabana and Pierre Lachapelle We compared the diurnal and nocturnal visual function in two tactile foraging waterbird species, the red subspecies of the ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Squirrels are plentiful when the sun’s out, while rats are a more ...

ORLANDO, Fla. — Once-daily latanoprostene bunod lowered IOP more than twice-daily timolol in an 8-week randomized crossover study of patients with open-angle glaucoma or ocular hypertension, according ...