State of the world's orchids revealed in new report

Up to 45% of all known flowering plant species across the globe could be under threat of extinction with the plant family Orchidaceae (orchids) among the most threatened, according to a new report.

Ecological theory can help explain why segregation persists

An ecological theory may help to explain why segregation is so widespread and persistent in US cities, according to a paper published today in Buildings and Cities. The new way of framing segregation's endurance may provide ...

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