The 100th meridian runs north/south through the middle of Nebraska, where the United States divides east from west. It shows.
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Mystery plant reveals itself
Higgs boson explained by PhD Comics
PhD Comics explanation of Higgs boson. The animation helps me understand the vocabulary. If you already know about bottom quarks and their ilk, you might like this anyway.
Don’s post
First iPad post
This is an iPad post. I typed it