gas and oil wells in texas

Scientists warn of hormone impacts from benzene, xylene, other common solvents – Brian Bienkowski

Four chemicals present both inside and outside homes might disrupt our endocrine systems at levels considered safe by the U.S. Environmental Protection Agency, according to an analysis released today. The chemicals – benzene, toluene, ethylbenzene and xylene – are ubiquitous: in the air outside and in many products inside homes and businesses. They have been linked to reproductive, respiratory and heart …

primordial dna

New study hints at spontaneous appearance of primordial DNA

The self-organization properties of DNA-like molecular fragments four billion years ago may have guided their own growth into repeating chemical chains long enough to act as a basis for primitive life, says a new study by the University of Colorado Boulder and the University of Milan. While studies of ancient mineral formations contain evidence for the evolution of bacteria from …