Which magnetic building block sets are best? Magnetic building block sets accomplish something that very few toys marketed as educational can actually accomplish: they’re as much fun as they are ...
Most of the time, the shape of Earth’s magnetic field is quite similar to that which would be produced by a bar magnet ...
Green Matters on MSN
Two massive 'blobs' hidden deep inside Earth may be secretly controlling its magnetic field
The blobs lie at the base of Earth’s mantle, around 1,802 miles beneath Africa and the Pacific.
In A Nutshell Two massive hot regions deep beneath Africa and the Pacific Ocean have been influencing Earth’s protective ...
Hidden mega-structures deep inside Earth may have been quietly steering our planet’s magnetic field—and rewriting what we thought we knew about Earth’s past.
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