Guanidine is an organic compound primarily used as a denaturing reagent to disrupt the structures of proteins and nucleic ...

The Islamic Republic cannot survive the death of Khamenei, the growing power of the IRGC, or the loss of popular legitimacy.

Bacteria can sneakily evade our best efforts at eradication by developing resistance to various pressures in their ...

Biology is mind-bogglingly complex. Even simple biological systems are made up of a huge number of components that interact with one another in complicated ways. Furthermore, systems vary in both ...