Help sort shapes in a shape factory. Look at examples of shapes to see if they belong in a polygon group, or set. Examine examples of shapes that do not belong in the set. What features do you think ...

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Do you know what a circle looks like? Can you name some other shapes too? A two dimensional (2D) shape is made of lines. Sometimes the lines are curved and sometimes the lines are straight. The lines ...

Researchers use a viscoelastic material flowing through a microfluidic chip to sort E. coli bacteria based on their degree of elongation. By using this 'lab-on-a-chip' device, scientists may be able ...