A woman who shared a video of Eritrean children enjoying their first Toronto snowfall says the positive Twitter reaction gives her “hope for humanity.” Rebecca Davies is part of a group that sponsored the refugee family of five. (Nov. 12)

This movie of the March 6, 2012 X5.4 flare was captured by the Solar Dynamics Observatory (SDO) in the 171 and 131 Angstrom wavelength. One of the most dramatic features is the way the entire surface of the sun seems to ripple with the force of the eruption. This movement comes from something called...