I keep forgetting to blog my science writing here. There’s such a lag (a whole 12 hours or more!) between when I write it and when it’s published, I guess.
Anyway, here’s one:
The ordinary matter with which we are familiar? the stuff of stars, planets, your couch and kitchen table? makes up just 5 percent of the universe’s mass, the new results show.
Scientists call it “dark matter” and “dark energy.”
And what is that?
“We haven’t a clue what either one of them is,” said Princeton University astrophysicist James Gunn.