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Strange Solar Phenomenon Has Scientists Scratching Their Heads

If you're confused about the sun's impending magnetic field flip, don't feel bad — scientists don't fully understand it, either. The sun's magnetic field will reverse its polarity three or four months from now, researchers say, just as it does every 11 years at the peak of the solar activity cycle. ...
John Reyes
John Reyes • 49 weeks ago

Sun's Magnetic Field Reversal Still A Scientific Mystery -- If you're confused about the sun's impending magnetic field flip, don't feel bad — scientists don't fully understand it, either. The sun's magnetic field will reverse its polarity three or four months from now, researchers say, just as it does every 11 years at the peak of the solar activity cycle. While solar physicists know enough about this strange phenomenon to predict when it will occur, its ultimate causes remain mysterious.

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Magnets and Magnetic Fields (BFSU A-5A) Great ideas for activities to do in the magnet section of our science curriculum!

What are magnetic fields and how to see them. Great activity to do with children, all you need is a magnet, some iron filings and a piece of paper! #KS3 www.first4magnets... Get the materials here: www.first4magnets...

Magnetic Yeast Only a few organisms can actively sense and utilize magnetic fields. Magnetotactic bacteria contain strings of iron-dense membrane-bound organelles filled with magnetic crystals called magnetosomes, which act like microscopic compasses. Bacteria that contain magnetosomes can detect the earth’s magnetic field, telling them which direction is up and helping them find oxygen closer to the surface of the water.

Make your own compass - fun kids activity to learn about magnetic fields.

PHOENIX -- Just days after Gov. Jan Brewer signed a law designed to hinder police participation in gun buyback events, the city of Phoenix on Saturday held the first of three buybacks that organizers are calling the largest effort of its kind in the state's history. The law Brewer signed April 29 takes effect this summer and requires cities and counties to sell surrendered weapons instead of destroying them.

STEM by Krissy.Venosdale, via Flickr

Three bullets entered the 16-year-old Brooklyn boy’s body from the back on Saturday night, the authorities said on Wednesday.