Berkeley, California - At 6-foot-4 and with quite a wingspan, UC Berkeley engineering student Akol Kuan towered over sixth-graders at Oakland’s Beacon Day School as he gave each of them high-fives. The class had just finished reading A Long Walk to Water, and Kuan, 21, was there to answer questions about his native South Sudan, where the book is set.

Cambridge, Massachusetts - Warming temperatures will take a heavy toll on agricultural productivity, according to climate scientists. How will society adjust? One possibility might be increased trade: If one country suffers a decline in, say, wheat production but can still grow as much rice as ever, then - in theory - it might grow more rice and trade for its usual amount of wheat instead.

Cambridge, Massachusetts - MIT researchers have found that much of the data transferred to and from the 500 most popular free applications for Google Android cellphones make little or no difference to the user’s experience.

Cambridge, Massachusetts - MIT chemists have created a new material that combines the flexibility of polymer gels with the rigid structure provided by metal-based clusters. The new gels could be well-suited for a range of possible functions, including drug release, gas storage, or water filtration, the researchers say.

Cambridge, Massachusetts - During excavation for MIT.nano, the Department of Facilities unearthed an unexpected relic between buildings 12 and 26: a time capsule buried on June 5, 1957, to commemorate the opening of the Karl Taylor Compton Laboratories.

Durham, North Carolina - Being bullied in childhood has been associated with increased risk for anxiety, depression and even eating disorders. But according to new research, it’s not only the victims who could be at risk psychologically, but also the bullies themselves.