As we hoof it toward winter, we expect to be seeing more snowflakes in the Garden (barring another winter like last year, of course). What I didn’t expect to see was the extent to which these snowflakes resemble plants, be it a small shrub, the tip of a pine branch, or a spindly desert-dwelling tree. —MN
Ice balloons tinted with food coloring create a lesson in water phenomena for teachers at the Exploratorium. To see Exploratorium physicist Paul Doherty discuss ice balloons and other chilly phenomena, check out Ice Stories: Dispatches from Polar Scientists.