Figure 1: Interfacial geometry at perimeter features directs expression of CSC markers. Figure 2: Geometric cues activate CSCs at the perimeter through integrin α5β1, mitogen-activated protein kinase ...

Are you looking for some tough math problems to practice before your next exam? Well, you've come to the right place. Math riddles are great because they require students to apply their knowledge in ...

The perimeter is the total distance around the edge of a 2D shape. Since it is a length, the metric units for perimeter are millimetres (mm), centimetres (cm), metres (m) and kilometres (km).

Area is the amount of space taken up by a surface or a 2-D shape. It is measured in squares with metric units mm², cm², m² and km². Module 1 (M1) - Geometry & measures - Circumference & area of ...