What if extra lights don't make us as safe as they make us feel?
The city wants to replace its century-old gas lamps with LEDs, but preservationists are crying foul.
The immense plants live under the Space Needle and blast anybody passing underneath with a harmony of voices.
When electricity was new, town leaders looked to "moonlight towers" to provide mass illumination.
It's like a lamp store exploded in there!
The French biochemist behind this strange green light sees it having a "massive" palliative effect on global warming.
How cities can overcome some of the disadvantages of LEDs