Controlling the rotation of this molecule could lead to new technologies for microelectronics, quantum computing and more. You can easily rotate a baseball in your hand by twisting your fingers. But ...

Scientists have uncovered a new explanation for how swimming bacteria change direction, providing fresh insight into one of biology's most intensively studied molecular machines. Bacteria move through ...

This is an interesting question, and the answer tells us something important about how planets form, as astronomers believe whether a planet travels clockwise or counterclockwise around its star is ...

The diagnosis is NSR, Mobitz type I second-degree atrioventricular (AV) block (Wenckebach), nonconducted (blocked) PACs, and early transition (counterclockwise rotation). The rhythm is irregular, but ...

I believe an error has been made in the description of the first electrocardiogram of Case 29–1965 of the Case Records of the Massachusetts General Hospital. Dr ...