A call to arms: Enlisting private land owners in conservation

In 1872 the United States created Yellowstone, the first National Park in the world. Since then many more parks, monuments, preserves, wildernesses and other protected areas have been created in the USA. Protected areas, ...

An end to population aging in China, Germany, US

Population aging could peak by 2040 in Germany and by 2070 in China, according to a new study published in the journal PLOS ONE, which combines new measures of aging with probabilistic population projections from the UN. ...

Cut-rate prepaid plans shake up wireless industry

(AP) -- As wireless carriers start reporting first-quarter results this week, investors will be looking at the effects of some spectacular price cuts for prepaid cell phone service.