Oliver Thornwhistle On—Luciérnagas


Here come Guatemala’s Fireflies: It must be May, or is it? written by S.C. Johnson All seafarers know the importance of light, as in lighthouse or beacon. Before GPS, charts showed lights sequences, say one short and two long flashes of lights followed by darkness, and if the navigator spotted the right sequence, he knew where he was. Lighthouses were […]

Read more