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Cows Graze by the Delaware Watershed

Are We Really Protecting Rivers and Streams From Pollution? It’s Hard to Say, And That’s a Problem. 

More public and private resources than ever are being directed to protecting and preserving aquatic ecosystems and watersheds. Whether mandated for land development, farming or in response to the growing severity and number of natural disasters – scientists from the Academy of Natural Sciences of Drexel University found evidence that decades of watershed restoration and mitigation projects have taken place, but their impact is mostly perceived; data is relatively undocumented — or simply missing.

Electrast ultrasound

'Selfie Mode' For Heart Imaging Could Help Doctors Spot Heart Disease Earlier

Using the electrical impulses generated by the heart to carefully illuminate the picture, an ultrasound contrast dye created by Drexel University researchers is giving doctors a clearer look at the most camera-shy organ in the body. Enabling the heart to take a selfie, of sorts, means doctors could eventually be able to see the early signs of heart disease and treat it before it becomes deadly.