Biosphere

From Wikipedia, "The biosphere is the global sum of all ecosystems."

The Academy of Natural Sciences of Philadelphia has a new exhibit, Dinosaurs Unearthed, running from October 12, 2013 to March 30, 2014. This exhibit features more than a dozen life-size animatronic dinosaurs, as well as skeletons, fossils, and much more.

A life-size Tyrannosaurus rex (pictured here) welcomes you outside the Academy. The long neck of the Ruyangosaurus towers over the Art of Science Gallery. Inside the exhibit, get up close with a microraptor, a Triceratops, a Velociraptor, and more. The exhibit also contains a dig site for young paleontologists, a Dino Detective touch-screen quiz, chances to control dinosaur movements, and other activities to encourage exciting hands-on exploration.

Tyrannosaurs rex from the Dinosaurs Unearthed exhibit at the Academy of Natural Sciences

Pine Creek Gorge, sometimes called The Grand Canyon of Pennsylvania, is a 47-mile (76 km) gorge carved by Pine Creek in Pennsylvania. It sits in about 160,000 acres (650 km2) of the Tioga State Forest and is ~1,280 ft (427 m) from the rim to its deepest point. The brown pathway to the right and parallel to Pine Creek is a Rail Trail. TrailLink information on the Pine Creek Rail Trail.

For additional information, read this excellent article in Geotimes titled Pine Creek Gorge: The other Grand Canyon. The article contains a description of how the glacial history of the region changed the direction of flow in Pine Creek.

Pine Creek Gorge, The Grand Canyon of Pennsylvania

The PA Bureau of Forestry built a green roof on top of the Tiadaghton Forest Resource Management Center in Pine Creek Valley.  The green roof is one component of the building's LEED Gold certification.

Green Roof in Pine Creek Valley

This image, taken on a rainy day, is the stream bed of Rocky Run, with approximately one foot of the channel anchored with plant roots exposed, at Tyler Arboretum in Media, PA.

Rocky Run, Media, PA

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