This is SCIENCE FRIDAY. I'm Ira Flatow. This week, researchers reported that they think they've spotted the tell-tale signs of a previously undiscovered, subatomic particle. This one was unusual because it appeared to be made of four quarks bound together, an arrangement they have never seen before. And they're not sure exactly how that arrangement might work.
Editor's Note: Robert has added an update to this post. Scroll down to read it.
Here's a simple question: Why do you weigh more when you go to sleep than when you wake up? Because you do. In the video below, you'll see the evidence. You can check this yourself. Somehow, while doing absolutely nothing all night but sleep, you will wake up lighter.
In Oliver Sacks' book The Mind's Eye, the neurologist included an interesting footnote in a chapter about losing vision in one eye because of cancer that said: "In the '60s, during a period of experimenting with large doses of amphetamines, I experienced a different sort of vivid mental imagery."
Originally published on Fri June 21, 2013 11:42 am
Whether you like it or not, the day will be bright. For those of us in the northern hemisphere, today is the summer solstice, which marks the longest daylight period of the year and the official start of summer.
This week, All Things Considered host Audie Cornish traveled to Birmingham, Ala., to cover the 50th anniversary of the tumultuous civil rights protests that happened there. It's all part of NPR's series commemorating the monumental summer of 1963.