Instructor: John Williams. In chemistry, water is considered to be the universal solvent, and materials that are hydrophilic can dissolve in it. Hydrophobic molecules, however, do not dissolve in water. This lesson discusses the characteristics necessary for molecules to be considered hydrophobic.n chemistry, water is considered to be the universal solvent, and materials that are hydrophilic can dissolve in it. Hydrophobic molecules, however, do not dissolve in water.
Stephen Hawking (born January 8, 1942) is a British scientist, professor and author who has done groundbreaking work in physics and cosmology whose books have helped to make science accessible to everyone. At age 21, while studying cosmology at the University of Cambridge, he was diagnosed with amyotrophic lateral sclerosis (ALS).
As the other answerer suggested, check out the S. Hawking's series on the Discovery Channel. You will get some idea how smart he is and come to appreciate what he has had to overcome. His episodes on alien life and on time travel are compelling. #2. Stephen Hawking is a theoretical physicist specializing in quantum gravity and cosmology, with a focus on black holes.