Studying the hidden effects of artificial light
Rebecca Boyle writes: Light is the basis for all life, but it is more than just a source of energy. It is also a source of information, telling organisms when to sleep, hunt, hide, migrate, metabolize, and reproduce. Since the advent of incandescent light bulbs, humans have been interfering with those messages. And the interference is worsening with the spread of LEDs, which consume less electricity and so are often brighter and stay on longer and later than their predecessors….