This state park in South Carolina is wildly overlooked even though it's home to a mysterious cavern and incredible panoramic ...

Gneiss That's Older Than Life Itself Credit: flickr Beneath the sharp peaks sits gneiss rock, which is older than most life on Earth. At 2.7 billion years, it predates complex organisms and then some.

While the 4-billion-year-old rocks of the Acasta gneiss in the northwest of Canada were slightly older, having just barely formed at the end of the Hadean, they were still not old enough.

Combinatorial optimization (CO) is vital for making wiser decisions and planning in our society. Annealing computation is a promising CO approach derived from an analogy to physical phenomena (Fig.