These South Sudanese soldiers are among those accused of rape, torture, killing and looting during an attack on aid workers.
AP Photo/Bullen Chol
Who is responsible for this problem? Research indicates that it's often the victims' own colleagues, and that aid agencies don't do enough to stop it.
Cypress swamp near Mandeville, Louisiana.
A new report calls U.S. forests an undervalued asset for slowing climate change. It warns that they are being degraded by logging for wood, paper and fuel, particularly in the Southeast.
Next best thing to a hidey-hole box?
Twitter recently blew up with posts wondering about the feline fascination with taped squares on the ground. An animal behavior expert explains it's not magic that draws Fluffy to the #CatSquare.
A vote is cast in New Hampshire 2012 primary.
AP Photo/Matt Rourke
Some American voters hope that instant runoff can make our elections better. But a mathematician has an idea for another solution.
Attorney General Jeff Sessions.
AP Photo/Carolyn Kaster
Attorney General Jeff Sessions recently echoed the 1980s philosophy to 'just say no' to drugs. It's important to remember, however, that the policy was ineffective.
A rural highway in Ottumwa, Iowa on Jan. 27, 2017.
AP Photo/Charlie Neibergall
A recent study from the Tisch College of Civil Life at Tufts looks at millennials' civic engagement – and finds some cause for concern in rural, suburban and urban areas.
My footprint is how big?
Pet food is a multi-billion-dollar industry that consumes huge amounts of animal protein. A veterinary nutrition specialist explains how to feed dogs and cats healthily and sustainably.
Sorting bags of food dropped by air from a World Food Programme plane in Padeah, South Sudan, March 1, 2017.
AP Photo/Sam Mednick
At a time when poverty and hunger levels are declining around the world, famine is recurring, driven by conflicts and natural disasters. But timely action by governments and aid groups can save lives.
Does your nose grow if it’s a falsehood, not a lie?
Alternate realities don't just exist in politics – and not all falsehoods are lies. Distortions of the truth can range from a normal part of human nature to pathological.
Ben Carson laughs, Jan. 12, 2017.
AP Photo/Zach Gibson
Part of HUD's budget goes to improving American cities. Social media monitoring offers a novel way to judge if that money is being well spent.
Smaller-dose pot-infused brownies are divided and packaged at The Growing Kitchen in Boulder, Co.
AP Photo/Brennan Linsley
Edible marijuana, especially in forms that are appealing to young people, is problematic. Here are things to consider to keep kids safe.
An NVIDIA-powered Audi needs no driver.
AP Photo/John Locher
Together, three recent events mark a crucial turning point in the development of autonomous cars: They are both safer and more advanced than ever before.
A president’s science advisor is traditionally a close confidant.
AP Photo/Charles Dharapak
Innovation is a huge part of economic growth – and the White House needs to be well-informed on science and tech issues when setting goals and budgets. Here's how presidents get up to speed.
Dentist office image via www.shutterstock.com.
Oral health care is safe and important for women who would like to be pregnant and for those who are.
Like wearing psychological blinders.
Horse image via www.shutterstock.com.
It's human nature to notice or search out information that supports what you already believe and discount or avoid data to the contrary. The problem comes in when you don't recognize this bias is in play.
Talking ‘bout my generation: Younger people are concerned with climate, but how engaged are they politically?
Unlike other issues, climate change has broad support among millennials across political parties and races. But it's unclear that they'll convert that into political activism.
Why does that one video crack you up?
Laughing image via www.shutterstock.com.
One viral video might leave you in stitches; another leaves you cold. Psychology researchers have worked out several theories of humor to explain why.
A high school talks over a civics assignment in an advanced placement class.
Only about 40-45 percent of 18-to-29-year-olds turned out to vote in the 2012 election. Civic education can improve youth turnout. But civic education itself remains neglected in US schools.
A hydro-responsive thread can be used with sensors to monitor body functions.
Alonso Nichols, Tufts University
Flexible, easy to make, inexpensive, stretchable and simple to coat with nanomaterials, threads are also very commonly used by doctors already.
Chinese dancers perform during the launching of a promotion in Shanghai in 2004, the year China became Coca-Cola’s biggest Asian market.
Claro Cortes IV/Reuters
Uber's 'retreat' from China has led to soul-searching about whether the country is worth it. Don't tell that to Coca-Cola and GM, however, which have found great success in the People's Republic.