CHANCE OF FLARES: NOAA forecasters have raised the odds of an M-class solar flare today to 45%. There are at least two sunspots capable of producing such an eruption: AR1730 and AR1731. Sunspot AR1731 is located near the center of the solar disk, so any eruptions from that one will be Earth-directed. Solar flare alerts: text, voice.
MOOOO-VING UP--EDGE OF SPACE ADVERTISING: To fund space weather experiments in the stratosphere, science students in Bishop, California, have started a new business: Edge of Space Advertising. For a fee, they'll fly ad banners, shoes, US presidents--you name it!--to the edge of space. On April 22nd (Earth Day), they launched a cow:
