Snow isn't always white; algae can make it look green, red, or orange, and scientists are trying to understand how and why these colorful patches appear.

THE indefatigable Dr. Agardh has recently issued the fifth instalment of his work on the systematic classification of Algæ. Although it bears a Swedish title, the work is in Latin. The subject treated ...

Woods Hole, MA — Vitamin B12 deficiency in people can cause a slew of health problems and even become fatal. Until now, the same deficiencies were thought to impact certain types of algae, as well. A ...