Full Spectrum: The Greenhouse Projects exhibit combines historical science with modern growing methods in a high-tech eco-structure

Peeking out between the colonial brick buildings on South 5th Street, a 52-foot, ribcage-like structure is a stranger amidst the relics of Old City. Neon orange, green and blue plastic panels, as well as plant life, stick out from all angles. The structure is a greenhouse and part of “The Greenhouse Projects,” a special exhibit at the American Philosophical Society (APS) Museum.
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Urban Naturalist: Special sparrows

Everyone knows what a sparrow is, right? Those ubiquitous little birds that compete with the pigeons for crumbs in front of park benches across Philadelphia? Well, they are and they aren’t. Most of them, Eurasian house sparrows, don’t belong here. They’re completely different birds in a completely different family than our native sparrows, except that they look almost the same.
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