How big can a tsunami really get?
The history of the sneeze guard.
Saddam Hussein’s Unfinished Mosques.
How to Slim Down in Fourteen Days: Advice from 1595.
How to Build an Igloo.
Giant Snow ‘Mushrooms’ Are Winter’s Rarest Natural Wonder.
ICYMI, Wednesday’s links are here, and include identifying wildlife droppings, National Fruitcake Toss Day, the giant concrete arrows across the U.S., and a supercut of people falling and landing on vehicles (set to the finale of the 1812 Overture).