Exxon service station signs are displayed in Nashville, Tenn., in April. The company's shareholders are asking it to consider how efforts to fight climate change will affect its bottom line. Mark Humphrey/AP hide caption
Most of the people in a choir at Ryerson University in Toronto have joined a study testing how practicing music might help people with hearing loss handle noisy environments better. Andrea Hsu/NPR hide caption
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President Trump greets EPA Administrator Scott Pruitt, a Paris accord critic, in March prior to signing an order that reverses the Obama-era climate change policies. Ron Sachs/Pool/Getty Images hide caption
Mohammad Al Abdallah, the executive director of the Syria Justice and Accountability Centre, shows a video that was posted to YouTube of illegal cluster bombing in Syria. Meredith Rizzo/NPR hide caption
A 4-year-old regulation in New York state requires doctors and hospitals to treat sepsis using a protocol that some researchers now question. Getty Images/iStockphoto hide caption
The "broken windows" theory of policing suggested that cleaning up the visible signs of disorder — like graffiti, loitering, panhandling and prostitution — would prevent more serious crime. Image Source/Getty Images hide caption
Researcher Chris Lowe releases a juvenile white shark earlier this spring. Cal State Long Beach Shark Lab hide caption
How An Interview With A Shark Researcher Wound Up Starring A Shark
The good old reflex hammer (like this Taylor model) might seem like an outdated medical device, but its role in diagnosing disease is still as important as ever. Meredith Rizzo/NPR hide caption
Will Shindel prepares for a gene-editing class using the CRISPR tool at a Brooklyn community lab called Genspace. Alan Yu/WHYY hide caption
A tractor pulls a planter while distributing corn seed on a field in Malden, Ill. Two scientists agree that pesticide-laden dust from planting equipment kills bees. But they're proposing different solutions, because they disagree about whether the pesticides are useful to farmers. Bloomberg/Bloomberg via Getty Images hide caption
Sometime between grade school and grad school, the brain's information highways get remapped in a way that dramatically boosts self-control. Thomas Trutschel/Photothek via Getty Images hide caption
As Brains Mature, More Robust Information Networks Boost Self-Control
Scientists have now shown that this position requires almost no muscle activity from the flamingo. VSPYCC/Flickr hide caption
This image shows Jupiter's south pole, as seen by NASA's Juno spacecraft from an altitude of 32,000 miles. The oval features are cyclones, up to 600 miles in diameter. NASA/JPL-Caltech/SwRI/MSSS/Betsy Asher Hall/Gervasio Robles hide caption