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When gray wolves were reintroduced to Yellowstone National Park, they sparked a resurgence of aspen trees. Young aspens had been devastated and all but disappeared,...

The Aedes aegypti mosquito may be tiny but it can wreak major havoc on human health, spreading diseases such as Zika, dengue fever and yellow...

More than 8 billion metric tons. That's the amount of plastic humans have created since the large-scale production of synthetic materials began in the early...

Credit: Mortensen Lab, Penn State Vast swaths of Pennsylvania forests were clear-cut circa 1900 and regrowth has largely been from local native plant communities, but...

Credit: Washington University in St. Louis Irregular heartbeat -- or arrhythmia -- can have sudden and often fatal consequences. A biomedical engineering team at Washington...

Credit: Northern Illinois University Summer is abloom at Nachusa Grasslands, where the warmth of July is igniting an explosion of color. Purple coneflowers point to...

Credit: (Picture: UZH) Researchers at the University of Zurich have shown for the first time that hematopoietic stem cells detect infectious agents themselves and begin...

Credit: Photo credit Margaret Whitney Mercury is a ubiquitous environmental contaminant that affects the health of birds and other wild animals. Two varieties of songbird--zebra...

Credit: Erin Perry URBANA, Ill. - When disaster strikes, you want the very best tools, functioning at their peak. In the case of catastrophic earthquakes,...

Credit: University of Portsmouth, UK Whales, sharks, butterflies and lotus leaves might together hold the secret to saving the shipping industry millions and help save...

Time is of the essence when treating a patient undergoing a heart attack. Cardiac surgeons attempt to quickly stabilize the heart by applying reperfusion, a...

Credit: Penn Nursing PHILADELPHIA (July 20, 2017) - While research has demonstrated the positive impact a woman's social support network and faith community can have...

Credit: WFU / Ken Bennett As student athletes hit training fields this summer to gain the competitive edge, a new study shows how the experiences...

Credit: IAVI LA JOLLA - Cows are leaving the pasture and entering the field...of HIV vaccine research. As outlined in a study published today in...

Credit: University of Notre Dame Determining which fish are living in various bodies of water can be a daunting task for scientists studying those populations....