Science Friday: Massive Coronal Hole Faces Earth | Northwestern Univ. Develops 3D Printable Bones

Massive coronal hole faces Earth

Monday, 26 September 2016 – 10:14 UTC


She’s back! That massive coronal hole system that faced us four weeks ago is back and it survived its trip around the farside of our star. This truly gigantic coronal hole managed to cause geomagnetic storming conditions on five consecutive days during the first five days of this month. Fantastic auroral displays were reported from all around the world.


But there is more! We actually believe that this coronal hole became bigger during the past few weeks. Compared to the last rotation, the extension that crosses the equator onto the southern hemisphere does seem to have grown in size.


Print-on-demand bone could quickly mend major injuries

By Jessica BoddySep. 28, 2016 , 3:00 PM

If you shatter a bone in the future, a 3D printer and some special ink could be your best medicine. Researchers have created what they call “hyperelastic bone” that can be manufactured on demand and works almost as well as the real thing, at least in monkeys and rats. Though not ready to be implanted in humans, bioengineers are optimistic that the material could be a much-needed leap forward in quickly mending injuries ranging from bones wracked by cancer to broken skulls.


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