On March 20, 1995, 12 people were killed, and more than 5,000 made ill in a nerve-gas attack on the Tokyo subway system. A 13th victim died a day later and a 14th in 2008.
Astronomers using the Webb telescope see volcanic activity on Jupiter's moon Io in a whole new light
The James Webb Space Telescope reveals active volcanoes on Io in unprecedented detail thanks to an innovative technique.
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