Researchers have unseated a previous theory for the mechanism underlying bacterial flagella movement, changing our ...

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

FARGO — About 98% of all tornadoes spin cyclonically, which in the Northern Hemisphere is counter-clockwise and clockwise in the Southern Hemisphere. This is because tornadoes tend to follow the ...

Winds always rotate in a counterclockwise sense around hurricanes in the Northern Hemisphere. Winds in tornadoes usually rotate counterclockwise, but in perhaps five percent of tornadoes, clockwise ...

Tornadoes do occur in the Southern Hemisphere, albeit at a greatly reduced frequency than in the Northern Hemisphere, primarily because it includes the U.S., which hosts about 75 percent of the ...