Miasma theory is one of the oldest medical beliefs in history. But it has long been supplanted by germ theory. But RFK Jr. is a believer.

In string theory, matter’s basic particles are tiny vibrating snippets of energy, called “strings” because they extend in one dimension.

Neil J. Dorans, Paul W. Holland, Population Invariance and the Equatability of Tests: Basic Theory and the Linear Case, Journal of Educational Measurement, Vol. 37, No. 4 (Winter, 2000), pp. 281-306 ...