5 weeks 1 hour
Blog Posts Tagged "isotopes"
Submitted by Kevin Kurtz on Fri, 06/26/2009 - 14:25
So for younger readers, I should probably start off by explaining that I am using the word "dope" in the mid-twentieth century, American usage of the word, when for a couple decades hipsters used it to mean "information." Lessons on archaic slang aside, it was interesting to learn yesterday that the average temperature of the earth from the ancient past can be determined by