Scientists have identified the 19th form of water ice. The exotic, four-sided crystals of this rare ice variety, now dubbed ice XIX, form at ultra-low temperatures and ultra-high pressures. It only ...
On cold winter mornings, 83-year-old Len Burgess wakes up before dawn, picks up his camera, and checks the storm windows on his Danvers, Massachusetts, home. When conditions are just right, he can ...
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