According to the passage, why did snowmen become a phenomenon in the middle ages?

At the heart of the phenomenon lie tiny marine microorganisms (海洋微生物) called phytoplankton.

For example, snowmen were a phenomenon in the middle ages, built with great skill and thought.

How does Owain James feel about the gap-year phenomenon?

The gap-year phenomenon originated with the months left over to oxbridge applicants between entrance exams in november and the start of the next academic year.

This phenomenon is neither good nor bad; it is a fact of college life, today and in the past.

To explain this phenomenon, the researchers explored the degree to which a good performance by a team requires its members to coordinate their actions.

Brits stayed up a half-hour later to watch it, and then they woke up earlier than usual the next morning thanks to summer nights, the phenomenon in which the sun barely sets in northern countries in the summertime.

And most noticeable of all, there is the phenomenon of large urban and suburban high schools that have split up into smaller units of a few hundred, generally housed in the same grounds that once boasted thousands of students all marching to the same band.

Muscle performance can also be affected by a phenomenon called central fatigue, in which an imbalance in the body's chemical messengers prevents the central nervous system from directing muscle movements effectively.

That people often experience trouble sleeping in a different bed in unfamiliar surroundings is a phenomenon known as the first-night effect.

For example, the United Nations Children's Fund estimates that some 11 million children in Africa face hunger, disease, and water shortages as a result of the strongest El Ni o ( ' , 厄尔尼诺) weather phenomenon in decades.

a phenomenon identified by researcher Manu Kapur.

This might seem like the ultimate defeat for racism, but ignoring the race of certain select individuals—a phenomenon that psychologists call subtyping—also has an insidious (隐伏的) side.

Explain certain natural phenomena.

As human beings, we're primed to compare ourselves to each other in what is an anxiety-inducing phenomenon.

For example, the United Nations Children's Fund estimates that some 11 million children in Africa face hunger, disease, and water shortages as a result of the strongest El nio weather phenomenon in decades.

Some animal 32 species also display this phenomenon.

The problem is \decision fatigue, '' a psychological phenomenon that takes a toll on the quality of your choices after a long day of decision making, says Evan Polman, a leading psychologist.

This phenomenon is often referred to as the \first-night-effect\.

A survey by Barna research group found the top reason given by Americans for the fake news phenomenon is “reader error”, more so than made-up stories or factual mistakes in reporting.

A survey by Barna research group found the top reason given by Americans for the fake news phenomenon is \ reader error,\ more so than made- up stories or factual mistakes in reporting.

since technology has such an insatiable appetite for eating up human jobs, this phenomenon will continue to restructure our economy in ways we can't immediately foresee.

The air flowing over a bird's wings curls upwards behind the wingtips, a phenomenon known as up wash.

The concept of man versus machine is at least as old as the industrial revolution, but this phenomenon tends to be most acutely felt during economic downturns and fragile recoveries.

The Parkrun phenomenon began with a dozen friends and has inspired 400 events in the UK and more abroad.

Writing in The New Republic, Alice Lee notes that increasing the number of opportunities for board membership without increasing the pool of qualified women to serve on such boards has led to a \golden skirt\ phenomenon, where the same elite women scoop u