A 6-month prospective cohort study links infant feeding methods to differences in caloric and iron intake

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Natrium differs from other reactors not just in scale, but also in the details of its design. Where most nuclear reactors built in the last 50 years have been cooled by water, Natrium is cooled by molten sodium, which TerraPower says should be safer. This is the first time a commercial reactor that is not cooled by regular water has been approved by the NRC in more than 40 years.

Credit: Timothy Beck Werth / Mashable

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KAWAGUCHI. Open source (BSD license).

Of course, there are downsides to this re-usability as well, as we’ll discuss in the next section.

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