Black holes may be exotic, but they are hardly rare. Every galaxy has one, including ours. But it's tough to look at and study black holes since their gravitational pull is so powerful light can't escape from them. But thanks to a new telescope that captures high-energy x-rays, NASA scientists are peering at their edges, confirming Einstein's theories, and may have gotten the first glimpse of a new kind of black hole.
Young people will need to understand climate change to make informed decisions in the future. But in many school districts in the US, students receive little or no scientific information about it. Teachers who do try to bring climate science into the classroom can find themselves in trouble.
In the auto business, the battle between gasoline-powered and electric vehicles is not new. Studebaker Motors manufactured many variations of electric cars over a hundred years ago. Electrics could have been a contender, but gasoline won out. So what happened?