As many of us learned in high school science class, the retina's rods and cones allow us to see. Rods are for night vision, and cones operate in bright light and allow us to distinguish colors. But although scientists have ...
Oct 28, 2015
0
79
It's no secret that slugging down caffeinated drinks in the evening can disrupt sleep.
Sep 16, 2015
0
503
A new study suggests that bright light at the end of a night shift may have potential as a countermeasure to improve driving performance, particularly for low light work environments and commutes that occur before dawn.
Jun 11, 2015
0
10
(Medical Xpress)—Vision – so crucial to human health and well-being – depends on job-sharing by just a few cell types, the rod cells and cone cells, in our retina. Botond Roska and his group have identified a novel ...
Nov 19, 2014
0
3
Blue light can both set the mood and set in motion important biological responses. Researchers at the University of Pennsylvania's School of Medicine and School of Arts and Sciences have teased apart the separate biological ...
Oct 20, 2014
0
0
Fear of bright daylight is associated with panic disorder, according to new presented at the ECNP congress in Berlin.
Oct 20, 2014
0
0
Most people are only slightly affected by the switch to daylight saving time, which goes into effect Sunday at 2:00 a.m. But for a substantial part of the population, the adjustment can be a rough period, lasting as long ...
Mar 10, 2014
0
0
(Medical Xpress)—The next time you want to turn down the emotional intensity before making an important decision, you may want to dim the lights first.
Feb 20, 2014
0
0
Do you sometimes feel tired when you're working in the office during the day? If so, some extra light could help. Research at TU/e shows that people immediately have more energy and feel alerter if there's more light. The ...
Dec 5, 2013
0
0
For most of history, humans rose with the sun and slept when it set. Enter Thomas Edison, and with a flick of a switch, night became day, enabling us to work, play and post cat and kid photos on Facebook into the wee hours.
Nov 14, 2012
1
0
