Effects of Tuberculosis Animated

In celebration for World Tuberculosis Day, here is animated demonstration of tuberculosis forming a small cavity in the lungs. When a collection of the diseased cells gather, this process is possible and can cause the area affected to become necrotic.

Direct link [via Archive.org; Encyclopaedia Britannica Films]

United States Weather Loop

In honor of World Meteorological Day, here is an animated loop of the United States' current weather:

Click to enlarge image

Direct link