2mon
Boing Boing on MSNScientists discover weird new kind of shape found in natureFrom bathroom floors to siding on buildings, it's common to cover areas without gaps by arranging shapes with straight edges ...
PHOTOS XXXXXXXXXX Understanding the dimensions of shapes (e.g., big, thin, flat), shape names (e.g., triangle, rectangle) and shape properties (e.g., three-sided, pointy) are all part of spatial ...
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