Why banning hikes to the world's tallest tree will never work

The National Park Service is trying to preserve the world's tallest tree by banning hikes to it. But this approach will never completely work since the location of the 380-foot redwood is an open secret. Instagrammers and ...

First European farmers' heights did not meet expectations

A combined study of genetics and skeletal remains show that the switch from primarily hunting, gathering and foraging to farming about 12,000 years ago in Europe may have had negative health effects as indicated by shorter ...

Researchers study waves created by recreational boats

A new study by researchers in the University of Minnesota College of Science and Engineering's St. Anthony Falls Laboratory found that popular wakesurf boats require a greater distance from the shoreline and other boats compared ...

What's a suborbital flight? An aerospace engineer explains

"Suborbital" is a term you'll be hearing a lot as Sir Richard Branson flies aboard Virgin Galactic's VSS Unity winged spaceship and Jeff Bezos flies aboard Blue Origin's New Shepard vehicle to touch the boundary of space ...

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Height

Height is the measurement of vertical distance, but has two meanings in common use. It can either indicate how "tall" something is, or how "high up" it is. For example "The height of the building is 50 m" or "The height of the airplane is 10,000 m". When used to describe how high something like an airplane or mountain peak is from sea level, height is more often called altitude. Height is measured along the vertical (y) axis between a specified point and another point.

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