Brown University

Reconstructing the African humid period

During the end of the last ice age, there were dramatic changes in rainfall across a vast swath of Africa. As the world's large ice sheets receded in northern and southern latitudes, rainfall in much of Africa ...

dateDec 05, 2014 in Earth Sciences
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'Sleeping dogs' threaten the genome as we age

The genomes of many organisms, humans included, are littered with repetitive sequences of DNA called retrotransposons. In a new "Perspective" in the journal Science, four biologists write that while most r ...

dateDec 05, 2014 in Biotechnology
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Separate and unequal in suburbia

A new research brief from the US2010 Project probes the status of minorities in American suburbs. Suburbs in 2010 were as racially and ethnically diverse as were central cities in 1980, and that diversity is still increasing. ...

dateDec 03, 2014 in Social Sciences
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Paramecia need Newton for navigation

While single-celled paramecia have the ability to respond to certain external stimuli, they appear not to use that sensory system for simple navigation, new research finds. The work suggests that the ability ...

dateNov 18, 2014 in General Physics
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Researchers track ammonium source in open ocean

To understand the extent to which human activities are polluting Earth's atmosphere and oceans, it's important to distinguish human-made pollutants from compounds that occur naturally. A recent study co-authored ...

dateOct 29, 2014 in Environment
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