arvind + 21apples + nasa   2

SocScape - USA
incredible interactive map software to see racial diversity and population density in the USA
diversity  maps  nasa  race  21apples  gwg 
may 2017 by arvind
Virtual Microscope
simulated scientific instrumentation for students and researchers
science  microscope  nasa  resource  education  21apples  free  Delicious 
february 2011 by arvind

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