Researchers have presented an alternative nuclear reactor – one that floats on water. Although floating nuclear reactors at sea have some benefits, there are concerns with surrounding marine life and terrorism threats in the context of a post-Fukushima world.
Food trucks are big business in the US, but an explosion at a Philadelphia food truck that injured at least 11 people has raised questions about the safety of kitchens on wheels.
Eleven-year-old Gilberto Francisco Ramos Juarez appeared to be on his way to contact a brother in Chicago. He was one of tens of thousands of children crossing the border.
President Obama, guarded on racial issues in his first term, is now speaking out more forcefully. But for the first black president – and the nation – there’s still no more difficult subject.