In the Dark.

Progress, Volume II, Issue 7, 1 May 1907, Page 260

In the Dark.

Professor Reickenbach is said to have proved that 30 persons in 100 can see, in the dark, coloured rays from the human body and flashes from a magnet.

For 35 years Camille Flammarion has kept a record of the dates of appearances of leaves and flowers on the chestnut trees near the Paris Observatory. Comparing these dates with the sun-spot cycle, he finds a remarkable coincidence, leaves and flowers being earliest at sun-spot maxima.