An abstract file image of fire and ice. An abstract file image of fire and ice. golubovy/iStock / Getty Images Plus "Half-ice, half-fire" is actually the hidden twin of the "half-fire, half-ice ...

"That's the curse of my life here. There's no doubt Winds of Winter is 13 years late. I'm still working on it. I have periods where I make progress and then other things divert my attention" ...

R. Martin, it's something of "a song of ice and fire." The duo from the Brookhaven National Laboratory in New York made the revelation while studying a one-dimensional model magnetic material ...