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The Ethiopia’s Grand Renaissance Dam will bring more power to Ethiopia but is already creating tensions over water rights with its neighbors Sudan and Egypt. Tiksa Negeri/Reuters

The most important dam you probably haven’t heard of

The Grand Ethiopian Renaissance Dam, under construction on the Blue Nile, will bring electricity and wealth to East Africa, but could also have harmful environmental and political impacts.
Donald Trump addresses members of the National Rifle Association. REUTERS/John Sommers II

Guns in Donald Trump’s America

The candidate endorsed by the NRA this year wasn’t always so pro-gun. A sociologist and physician explains how Trump’s position on guns could play out if he were to win in November.
Hydrogen fueling stations like this could become more common if materials scientists and other researchers keep pushing for new breakthroughs. fueling station photo via shutterstock.com

Finding better ways to get hydrogen fuel from water

Modifying chemicals’ molecular properties can make ‘splitting’ hydrogen from water more efficient.
Jose Louis Morales sits and prays under his brother Edward Sotomayor Jr.’s cross for victims of the Pulse nightclub shooting in Orlando. REUTERS/Carlo Allegri

How victims of terror are remembered distorts perceptions of safety

Are Americans at increasing risk of being killed in a terrorist attack? A sociologist explains how the way we remember the dead may make it feel that way.
The linchpin to Tesla’s proposed merger with SolarCity is the Gigafactory and whether it can lower costs and improve battery performance. Tesla Motors

Will a merged Tesla-SolarCity put a solar-powered battery in every home?

Critics don’t think Tesla can sell enough home batteries to justify its acquisition of SolarCity, but what they’re underestimating is the potential for innovation the Gigafactory brings.
A boy in Pakistan receives oral polio vaccine in July. REUTERS/Akhtar Soomro

Polio eradication effort challenged, but not derailed

Polio for years has been close to becoming eradicated, with the entire continent of Africa going two years without a reported case – until early August. Here’s why eradication is hard but attainable.
Aedes aegypti mosquitoes at the Laboratory of Entomology and Ecology of the Dengue Branch of the CDC in San Juan. Alvin Baez/Reuters

Understanding mosquitoes can help us find better ways to kill them

While no one likes getting bitten by mosquitoes, you might be surprised (and even a little fascinated) at the complex adaptions mosquitoes have developed to locate their favorite food sources.
President Obama greets a crowd in Milwaukee in March to promote his signature health care law. Jonathan Ernst/REUTERS

What’s ailing the ACA: Insurers or Congress?

Aetna’s cutback in the ACA marketplace has raised concerns about the health of the health care law. Here’s why stories of its demise may be greatly exaggerated.
A woman protesting the shooting death of Alton Sterling is detained by Baton Rouge police. REUTERS/Jonathan Bachman

Who dies in police custody? Texas, California offer new tools to find out

No federal database provides reliable info on deaths that occur in police custody. It’s the same situation in 48 states. But now California and Texas are offering new models of accountability.
A blueprint for ISIS – and for a video game? Camp Bucca, Iraq. Atef Hassan/Reuters

Playing at torture, a not so trivial pursuit

Does including torture or other human rights violations in video games trivialize the actions? Or might it force us to think more critically about them?