However,scientists say a slow earthquake could be helping to release pressure, and possibly preventing more powerful quakes.

VOA: special.2009.07.07

Soon after, Hubble began working with a larger and more powerful telescope at Mount Wilson.

VOA: special.2009.04.29

The telescope recently received new equipment and instruments to make it even more powerful.

VOA: special.2009.09.30

The more powerful culture rarely respects the language and culture of smaller ethnic groups.

VOA: special.2009.12.02

However,Adolf Hitler and other fascists continued to grow more powerful.

VOA: special.2011.04.28

Monday's nuclear test was North Korea's second, and according to seismic readings, may have been more powerful than the first.

VOA: standard.2009.05.26

So development must take place,". U.S.officials have also called for more development in Pakistan's poor western regions, but powerful Taliban militant groups and ongoing violence have largely stalled significant projects.

VOA: standard.2009.03.26