SCIENCE IN THE NEWS DAILY
Kepler Telescope Studies Star Superflares
from BBC News Online
Nasa's Kepler space telescope has provided fresh insight on the colossal explosions that can afflict some stars. These enormous releases of magnetic energy--known as superflares--could damage the atmosphere of a nearby orbiting planet, putting at risk any lifeforms that might reside there.
Fortunately, Kepler shows superflares to be much less frequent on slow-rotating stars like our Sun. The new observations are reported in the journal Nature.
The biggest recorded flare on the Sun was probably the "Carrington event" of 1 September 1859. Described by the English astronomer Richard Carrington, this outburst sent a surge of electromagnetic radiation and charged particles towards the Earth.
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PODCAST & VIDEO: 3D Printing Replacement Body Parts
Regenerative medicine, a fledgling field with the aim of regrowing parts from a person’s own cells, is being amplified with 3D-printing technology, which can now use organic materials to create scaffolds that cells need to grow into their final forms. Richard Wysk, a professor of industrial and systems engineering at North Carolina State University, discusses the latest successes with this research, and the timeline for creating more complicated structures.
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