Do We Actually See Shadows?
In a blackout, you do not hear or taste the darkness; you see it. It looks a certain way. On the philosophy of shadows.
Shedding Light on the Cost of Light Pollution
Artificial light has a huge variety of harmful effects on ecosystems. Scientists are exploring ways to mitigate the damage.
When the English Witnessed Battles in the Sky
Some claimed the battles were so fierce they could smell the gunpowder.
Jan van der Heyden and the Dawn of Efficient Street Lights
17th-century Amsterdam was the first city in Europe to have an efficient system of street lighting—thanks to a Golden Age painter called Jan van der Heyden.
PSY-Q: The SAD-dest Time of the Year
What are the treatment options for SAD, Seasonal Affective Disorder?
