Raul Reyes: Amid the hoopla over the fight of the century there is a shameful silence on Mayweather's long history of domestic violence. He says instead, the big payday for the fighter -- and promoters and sponsors -- appears to reward behavior that is epidemic in America.
All living substances use DNA. The only reason the term genetic material is usd, is because we use mRNA to carry the DNA message, and viruses also use mRNA as their genetic material.
Lee Silver. Before the 18th century, scientists and non-scientists alike assumed that the material substance of living organisms was fundamentally different from that of non-living things -- organisms and their products were considered organic by definition, while non-living things were mineral or inorganic.