The urge to gobble after exercise, it turns out, may be a more complicated mixture of psychology and body chemistry. (sciencemag.org)
Instead of poverty, Rothstein says that education researchers should be trying to encapsulate a more complicated mixture of factors, such as multigenerational low income, that we think of as low social class. (educationbythenumbers.org)
These wastes are extremely complicated mixtures of salts and sludges that have been exposed to ionizing radiation for decades. (pnnl.gov)