Start with paper; add Shrinky Dinks, a microprocessor, heat, and voila! It's not quite that easy. But this engineering project might one day lead to a printable, flat spacecraft that folds itself.
Sure, you know that walking is a simple, low-impact way to get exercise. But did you know that adding faster intervals to the walk could help control blood sugar levels?
There are also reports that the Sunni militant group had captured Iraq's biggest dam, which controls the water supply for a huge swath of land.
Tampose Mapotheng was born a girl but now lives as a man — a difficult choice in Lesotho. He's spent the summer in the U.S., learning to be a more effective advocate for the LGBTI community.