Coal is a stratified rock which is composed entirely of organic remains, and the plants which we find in it in the fossil state, and from which we deduce that it has been formed, are not water but ...

Through a new process that turns coal waste into a material that can power electric cars, Oak Ridge National Laboratory has a unique opportunity to return energy-producing jobs to Appalachians who ...

IN the above remarks by Prof. J. B. Cohen on the review of “Smoke: a Study of Town Air,” which appeared in NATURE of April 11, the reviewer is first taken to task for denying that “coal-dust ...