These contain molecules of DNA, the building blocks of life.

VOA: special.2010.02.02

More powerful particle accelerators atom smashers, they used to call them have allowed physicists to learn ever more about the sub-atomic particles that are the basic building blocks of all matter.

VOA: standard.2010.03.05

The wall is made of equal-sized blocks of building material.

VOA: special.2009.06.01

A few blocks earlier, we saw a four-to-five story commercial building that looks like it has been completely toppled over.

VOA: standard.2010.01.14

This plant turns debris from buildings - many destroyed by Israeli air strikes - into sand and gravel that is then turned into cinder blocks for building.

VOA: standard.2010.06.16