People who have an interest in science rarely know that part of NASA's mission is serving as a bridge between Americans of all ages, others, (especially teachers) and the world of science.

Many people are trying to make productive use of this epidemic to bone up on subjects that they are curious about. This link is to a wealth of high quality, free NASA ebooks on science topics..

World History this day
0331 BC -- Alexander the Great whupped Darius III at Gaugamela. This was a BFD
1898 -- The Vienna University of Economics and Business Administration was founded, oh woe, oh woe
1918 -- T. E. Lawrence, et. al. took Damascus. Much was promised, many were shafted.

Woah. According to NASA, the planet hit the second of the red lines noted by climate scientists long before the 2010s. The first was +1C above 1880s averages, +1.5 was the second, and there be dragons beyond +2C. I've placed an extract, link, and graphic below.