Professor Auerbach describes how the evolution of vampires tells a great deal about a culture's fears, which change over generations.

VOA: special.2010.01.20

"We knew this was our plant. We could change over our plant to something we could be proud of and really be the first steps to launch the new 2011 Grand Cherokee."

VOA: standard.2010.07.29

The researchers noted a big change in the list of countries with the lowest adult mortality over the past forty years.

VOA: special.2010.05.05

Darwin's observations showed him that environments can change a little very quickly and a great deal over time.

VOA: special.2009.02.27

Rosalyn Schanzer brings to life the clues that suggested to Darwin that living things evolve, or change,over time.

VOA: special.2009.02.27

Scientists say the thinning ozone layer over the South Pole makes climate change take place more quickly than in other areas of the world.

VOA: special.2009.06.03

But they say the land formation continues to change slowly over time.

VOA: special.2009.04.15

He says that in the Antarctic Peninsula, scientists estimate that climate change has caused temperatures to increase by two or three degrees Celsius over the past fifty years.

VOA: special.2009.06.03

Katrin Verclas says she hopes FAILFaire will change this problem over time.

VOA: special.2010.09.13

Suddenly a change came over the tree.

VOA: special.2009.11.15

Some genes change or disappear over time.

VOA: special.2010.02.02

Dr.Anond Snidvongs, who has studied climate change for more than a decade, has analyzed storm data over the past 60 years.

VOA: standard.2009.12.21

Also the crisis with the European Union over Cyprus, the United States,the economy, unemployment,constitutional change, the upcoming referendum.

VOA: standard.2010.06.17

It's kind of like , where you had side A,side B and you just flipped it over when you wanted to change your mood so to speak.

VOA: standard.2010.06.18

European Union leaders meeting in Brussels hailed an agreement on climate change, reached after weeks of wrangling over how much members should contribute to developing countries to adapt to global warming.

VOA: standard.2009.10.30