Science

Sunday's lunar eclipse has it all
The total lunar eclipse, visible in the U.S. Sunday night, is the first since 1982 that's also a supermoon as well as a blood moon.
U.N. dreams big: 17 huge new goals to build a better world
And there are just 15 years to accomplish them. Here's a rundown of the 17 aims, which include ending poverty, hunger and AIDS, fixing the environment and giving everyone access to green space.
Postcard from Minneapolis: Why nonstop travel in personal pods has yet to take off
Personal rapid transit was supposed to be the future of public transport: lightweight pods on elevated tracks, on-demand destinations. But funding issues mean cities are reluctant to change course.
A new state law passed this year allows researchers from the University of Minnesota to collect wild hemp. Researchers scoured the overgrown grounds at Fort Snelling Wednesday and cut some wild hemp.
A recent Pew study shows that teenagers are building significant friendships online, and that their online social networks are leading to happier and more connected lives — an idea that flies in the face of conventional wisdom regarding teens and technology.
Physicist Michio Kaku predicts the future
The future is coming fast, according to Kaku. Your cell phone has more computing power than all of NASA did in 1969, when it sent a man to the moon. At that rate, imagine what will be possible by 2020.
British scientists seek permission to edit DNA in human embryos
After Chinese scientists announced in April that they had edited the genes in human embryos, many researchers said it shouldn't be done. Scientists in London say they want to do it for research only.