Hemolytic-uremic syndrome. Hemolytic-uremic syndrome (or haemolytic-uraemic syndrome), abbreviated HUS, is a disease characterized by a triad of hemolytic anemia (anemia caused by destruction of red blood cells), acute kidney failure (uremia), and a low platelet count (thrombocytopenia). It predominantly, but not exclusively, affects children.
Marco Polo (1254-1324) was a Venetian merchant believed to have journeyed across Asia at the height of the Mongol Empire. He first set out at age 17 with his father and uncle, traveling overland along what later became known as the Silk Road.
Marco Polo left with is father and uncle for China. It took them 4 years to reach their goal and in that time they had to overcome weather, bandits, ship wrecks, snow storms, floods, miles of desert, mountains, oceans, hostile people, and many other things.