Blogging the Periodic Table of Elements

Sam Kean is writing a concise one-post-per-element blog for Slate.  Here he is on Cobalt:

Cobalt hits a sweet spot—it fires off just enough radioactivity upfront to kill you (or at least cause serious cancers), but holds onto enough reserves to make wherever the cobalt rain settles inhospitable for future generations, too. Calculations made in 1950 hinted that sprinkling one-tenth of an ounce of cobalt-60 on every square mile of earth (admittedly, a lot of cobalt overall) would wipe out the human race, a nuclear version of the cloud that killed the dinosaurs.

This is everything a great blog should be: informative, interesting, quirky, unique and specific.  Is it too early to call this as blog of the year?

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