Low potassium levels can cause leg cramps. Apple cider vinegar is high in potassium and this tonic should help quickly if your leg cramps are caused by low potassium: Mix 2 teaspoons apple cider vinegar, 1 teaspoon honey in a glass of warm water and drink.
The hammerhead ribozyme is a RNA molecule motif that catalyzes reversible cleavage and joining reactions at a specific site within an RNA molecule.
The hammerhead shark has highly sensitive sensory organs located in its head, one of which is the ampullae of Lorenzini. This detects electric fields emitted by other predators, a system similar to the way sonar operates.