Balance of Nature, or Ecological Balance, the balanced relationship of the plants, animals, and other living organisms that make up a natural community. This equilibrium is maintained by the interaction of the various organisms in a specific area, and by their interaction with nonliving environmental factors. (See Ecology.)
He's ventured to the abyss of black holes, wagered on the information paradox and floated around in zero gravity. Meet the man, the legend, the super scientist: Stephen Hawking.
We take much for granted about our universe, like it's getting bigger. What if the universe stopped expanding and started collapsing inward with a giant crunch?