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https://www.youtube.com/watch?v=0RRVV4Diomg Hank gives us a tour of the most important table ever, including the life story of the obsessive man who championed it, Dmitri Mendeleev. The periodic... read more
https://www.youtube.com/watch?v=2bm479V8qPs&feature=youtu.be As Carl Sagan famously said, “We are made of star stuff.” Whoa. It’s a mind-boggling thought, but what exactly did he mean?... read more
Autoclave, Bleach or Biohazard Bag? Biology, microbiology and biochemistry labs may generate wastes that must be managed as potentially infectious, biohazardous or regulated medical waste. Review... read more
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