Lithium has it rough. It's the 3rd element on the periodic table, but nobody seems to remember much beyond Hydrogen and Helium and before Oxygen and Carbon. No wonder he was so excited (because today, he found his friend, it was in his head . . . lame Nirvana reference, sorry). Well, Lithium is still solid at room temperature, regardless of who notices it. And yesterday, that who was Karen M (the M stands for Manganese). She earned 1.5 points to pull ahead of the 1-pointers.
Karen M: 2.5 points
Paul C, Mike K, Karen H, Heidi: 1 point
So here's today's super-tough Science and Nature question (worth Pi points):
Pachycereus pringlei, which can grow as tall as 62 feet, is the tallest species of what?