A tug-of-war explains a decades-old question about how bacteria swim

Scientists have uncovered a new explanation for how swimming bacteria change direction, providing fresh insight into one of ...
AZoLifeSciences on MSN

Scientists discover tug-of-war mechanism driving bacteria flagella direction switching

Scientists have uncovered a new explanation for how swimming bacteria change direction, providing fresh insight into one of ...
Chicago Tribune

Ask Tom: Do tornadoes always spin counterclockwise?

Usually, tornadoes in the U.S. rotate counterclockwise. Coriolis force, imparted due to the Earth’s rotation, causes air around low centers to circulate counterclockwise in the northern hemisphere.
Medscape

ECG Challenge: A Counterclockwise Rotation

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 ...