Archive: 23/11/2010

California's controlled fires boost biodiversity

In certain ecosystems, such as the mixed-conifer forests of the Sierra Nevada region of the western United States, fires are a natural and essential occurrence for maintaining forest health. However, for many decades, resource ...

dateNov 23, 2010 in Ecology
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Ask the Eucalyptus connoisseurs

Koalas may be the pickiest marsupials around: They evolved to feed almost exclusively on the leaves of Eucalyptus trees, and they are highly selective when it comes to which species and even which individual trees they visit. ...

dateNov 23, 2010 in Ecology
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Discovery halts breast cancer stem cells

Breast cancer stem cells (CSCs), the aggressive cells thought to be resistant to current anti-cancer therapies and which promote metastasis, are stimulated by estrogen via a pathway that mirrors normal stem cell development. ...

dateNov 23, 2010 in Cancer
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