REVIEWED  CoeLux skylight

CoeLux skylight

Want sunlight in your hotel basement or underground gym? The CoeLux skylight could be a game changer for high-end hospitality venues.

Cheap LEDs: buyer beware

Cheap LEDs: buyer beware

Potentially fatal LED lamps have been seized at UK borders as authorities try to protect consumers from hazardous products. Emma-Lily Pendleton reports on the real cost of cheap LEDs.

OLEDs: Too little, too late

OLEDs: Too little, too late

It's a mixed bag for organic light-emitting diodes. They're improving and prices are dropping, but LEDs will stay ahead of them until the next big thing comes along, according to a new research note.

And now, natural light makes nurses laugh

And now, natural light makes nurses laugh

Earlier this week we wrote that office workers confined to spaces away from natural light are tired and weary compared to their colleagues by the window, as a U.S. study observed. 

Now, like the proverbial string of buses, another study has come right along revealing the same general effect and more: People who work near the window laugh more.

Nighttime light impedes cancer drug

Nighttime light impedes cancer drug

The latest twist in the good light/bad light health saga is an alarming one: Exposure to even low levels of bedroom light could stop a key breast cancer drug from working, U.S. research suggests.