Warm :)

If it’s incorrect you have the power to change it.

The cat put it up

Based

Fairly normal. Pilots do this when there is “crosswind:” wind blowing sideways to the runway.

You can if you pick a column. What i would do is put the name of each group in the gray box which is currently just where each group intersects with themselves. Then delete everything above that so it’s just a triangle.

These type of charts annoy me because they have redundant information. They’re symmetric along the diagonal.

Always good to be reminded not to feed trolls. Thanks!

Technically not a Smithsonian, but I love the free guided tours at the National Gallery of Art.