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Updated: 51 min 45 sec ago

Hunting Ways To Keep Synthetic Estrogens Out Of Rivers And Seas

Fri, 06/19/2015 - 11:09am

Hormones from medical treatments wind up in wastewater, and that can be a problem. Some scientists think a version of a household chemical, hydrogen peroxide, could be part of the solution.

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'They Will Strafe You,' Bird Expert Says Of Seattle's Dive-Bombing Crows

Fri, 06/19/2015 - 9:24am

"We had crows literally come down and tap me on the head, trying to scare me," a man says of crows that aggressively swoop at humans.

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Why Does Time Exist?

Fri, 06/19/2015 - 7:36am

Cosmologist Sean Carroll tackles a deceptively simple question: Why does time exist at all? The potential answers point to a surprising view of the nature of the universe, and our place in it.

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Why Should We Look Forward To Getting Older?

Fri, 06/19/2015 - 7:36am

Psychologist Laura Carstensen says that as people get older, they usually become less stressed and more content.

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When Do We Become The Final Version of Ourselves?

Fri, 06/19/2015 - 7:36am

Dan Gilbert shares research on what he calls the "end of history illusion," where we think the person we are right now is the person we'll be for the rest of time. Hint: that's not the case.

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Once And Future Nut: How Genetic Engineering May Bring Back Chestnuts

Fri, 06/19/2015 - 7:28am

The American chestnut is poised to return — as a bionic, blight-resistant tree. Scientists hope to plant about 10,000 transgenic plantlets to pollinate trees in the "wild."

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Worried You Have An STD? This App Helps You Quietly Find Out

Fri, 06/19/2015 - 6:03am

Planned Parenthood has an app that offers discreet help for Californians seeking to get tested for chlamydia or gonorrhea.

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DNA Tracking Of Ivory Helps Biologists Find Poaching Hotspots

Fri, 06/19/2015 - 4:03am

To stop elephant slaughter in Africa, zoologist Sam Wasser spent years extracting DNA from elephant dung and tissue. Much of the world's poached ivory, he discovered, comes from just three places.

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Pope Francis Uses Encyclical To Deliver Moral Message On Climate Change

Thu, 06/18/2015 - 4:15pm

NPR's Melissa Block speaks to John Carr of Georgetown University's Initiative on Catholic Thought and Public Life about Pope Francis' call to moral action on climate change.

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Both Catholics, Non-Catholics Applaud Pope For Bold Remarks On Climate Change

Thu, 06/18/2015 - 3:26pm

Catholics across the nation are reacting to a sweeping encyclical issued by Pope Francis on the issue of climate change. The 184-page papal letter explains that it is a global problem with far reaching environmental and social ramifications.

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Pope Francis Calls For Urgent Action On Climate Change In Encyclical

Thu, 06/18/2015 - 3:26pm

Pope Francis blames climate change on apathy, political shortsightedness and a pursuit of profits. In a papal encyclical, he calls climate change one of the principal challenges facing humanity today.

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In Search Of Edible Weeds: Adventures In Urban Foraging By App

Thu, 06/18/2015 - 2:19pm

An expert forager has a video and an app for finding weeds to make the ultimate locally grown salad. But even a master foraging app might not lead an amateur to success.

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NASA: Europa Spacecraft Goes Into Development Phase

Thu, 06/18/2015 - 2:12pm

The probe would make dozens of flybys of the Jovian moon in an effort to study its vast subterranean ocean that could harbor life.

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DNA Confirms Kennewick Man's Genetic Ties To Native Americans

Thu, 06/18/2015 - 1:34pm

The new evidence suggests the ancient skeleton is closely related to members of a Washington State tribe. The findings are likely to rekindle an old debate between scientists and Native Americans.

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Surprise! Some Job-Based Health Plans Don't Cover Hospitalization

Thu, 06/18/2015 - 10:51am

Better read the fine print of your health insurance policy. An unlucky woman in Minnesota learned her policy was woefully skimpy only after she fell while walking her dogs, and faced a $19,000 bill.

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Pope Francis: Climate Change A 'Principal Challenge' For Humanity

Thu, 06/18/2015 - 7:47am

In a major encyclical titled Laudato Si, the pontiff calls on humanity to acknowledge a "sense of responsibility" for the Earth and said it was time to stop "masking problems."

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When Should Surgeons Stop Operating?

Thu, 06/18/2015 - 6:03am

A quarter of U.S. physicians are older than 65 and there are no national guidelines for assessing late-career skills. Some say the lack of oversight, especially for surgeons, is cause for concern.

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Worms Know What's Up — And Now Scientists Know Why

Wed, 06/17/2015 - 5:03pm

In what researchers say is a first, they've discovered the neuron in worms that detects Earth's magnetic field. They say the worms have microscopic antenna-shaped sensors to help orient themselves.

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Gambler-Turned-Conservationist Devotes Fortune To Florida Nature Preserve

Wed, 06/17/2015 - 3:53pm

M.C. Davis made millions gambling and buying up land and mineral rights. Now, he's restoring ecosystems destroyed by agriculture and timbering in his private preserve, one of the largest in the U.S.

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Leaked Encyclical Highlights Growing Resistance To Pope's Reform Agenda

Wed, 06/17/2015 - 3:05pm

A draft of Pope Francis' encyclical on climate climate change was leaked Wednesday before its scheduled release.

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