TIL about mammoth hunters, people in Russia's far north who hunt for and sell "ice ivory": the tusks of mammoths. Some will illegally utilise firefighting equipment to melt ice and dig huge tunnels into the ground in search of remains.
TIL the first transatlantic telegraph cable was completed in 1858 and it took 2 minutes for a single character to make the journey, the first full message from Queen Victoria taking almost 18 hours to complete.
TIL Mainland Europe is in the middle of a years long drought. Major rivers are drying up, reservoirs in France and Italy are about 50% lower than they should be. Longest river in Italy, the Po, is 60% below its normal levels, and there is less than half of the expected snow on the Alps.