eye
What the Sun Does to Photoreceptors
What the Sun Does to Photoreceptors
Catherine Offord | Aug 16, 2017
Optometrist and eclipse-chaser Ralph Chou describes how even a partially eclipsed sun can damage the eye.
Image of the Day: The Tentacles Have Eyes
Image of the Day: The Tentacles Have Eyes
The Scientist Staff | Aug 4, 2017
The tentacles that arise from these feathery fan worms’ heads are equipped with eyeballs capable of sensing shadows and movement.  
Regulators OK Clinical Trials Using Donor Stem Cells
Regulators OK Clinical Trials Using Donor Stem Cells
Kerry Grens | Feb 6, 2017
Japanese health officials approve human experiments to treat macular degeneration with a cell therapy derived from induced pluripotent stem cells.
Orchid Bees Use Simple Eyes to Detect Polarized Light
Orchid Bees Use Simple Eyes to Detect Polarized Light
Catherine Offord | Sep 1, 2016
The second visual field may aid in navigation.
Image of the Day: Golden Eyes
Image of the Day: Golden Eyes
The Scientist Staff | Aug 19, 2016
Compound eyes provide insects such as this robber fly with large fields of vision.
Animal Magnetism
Animal Magnetism
Catherine Offord | May 1, 2016
A photosensitive protein behind the retinas of cockroaches plays a role in light-dependent, directional magnetosensitivity.
Surgery, Stem Cells Treat Cataracts
Surgery, Stem Cells Treat Cataracts
Catherine Offord | Mar 10, 2016
A surgical technique that removes the lens but leaves endogenous stem cells to allow lens regrowth shows promise in animal and early human trials.
Sighted Microbes
Sighted Microbes
Catherine Offord | Feb 10, 2016
Photosynthetic cyanobacteria sense light in much the same way as a human eyeball, scientists show.
Pupil Alignment of Predators and Prey
Pupil Alignment of Predators and Prey
Amanda B. Keener | Aug 11, 2015
Ambush predators are more likely to have vertical slit pupils, while foraging animals tend to have horizontal ones, a study shows.
Caught on Camera
Caught on Camera
Amanda B. Keener | Aug 1, 2015
Selected Images of the Day from the-scientist.com