GMAT
When the temperature of a gas is increased, it is either accompanied by an increase in pressure if the gas is enclosed in a container, or an increase in volume if the gas is able to expand.
Often billed as "The Genius," American pianist, singer, composer, and bandleader Ray Charles is credited with soul music's early development, a genre based on melding gospel, rhythm and blues, and jazz.
By pressing a tiny amount of nitrogen between two diamonds to a pressure of 25 million pounds per square inch, scientists not only were able to transform the gas into a solid, but they also created a semiconductor similar to silicon.
In contrast to some fish eggs requiring months to incubate, the Rio Grande silvery minnow produces eggs that hatch in about 24 hours, yielding larvae that can swim in just three to four days.
Until Berta and Ernst Scharrer established the concept of neurosecretion in 1928, scientists believed that either cells secreted hormones, which made them endocrine cells and thus part of the endocrine system, or conducted electrical impulses, in which case they were nerve cells and thus part of the nervous system.
The computer company has announced that it will purchase the color-printing division of a rival company for $950 million, which is part of a deal that will make it the largest manufacturer in the office color-printing market.
Like the thorny ballooning of a frightened pufferfish or the sudden appearance of angry sapphire hoops for which the blue-ringed octopus is named, so the California newt's display of its red underbelly is a clear warning that predators ignore at their peril.
Recent research indicates that two popular arthritis drugs are possibly not as safe as they initially believed.
A recent United States Census Bureau report shows that there are more than three times as many households where the children and grandchildren are living in their grandparents' home as compared to households where the grandparents are living in their children's or grandchildren's home.
Some patients who do not respond to therapies for depression may simply have received inadequate treatment, having, for example, been prescribed a drug at a dosage too low to be effective or having been taken off a drug too soon.
A different variety of giant tortoise can be found on every island in the Galapagos, each with its own style of oversized dome and comically scrawny neck.
Like English and Italian, each of which have elaborate rules for forming words and sentences, so sign languages have rules for individual signs and signed sentences.
Joachim Raff and Giacomo Meyerbeer are examples of the kind of composer who receives popular acclaim while living, often goes into decline after death, and never regains popularity again.
The largest trade-book publisher in the United States has announced the creation of a new digital imprint division, under which it will publish about 20 purely digital works to be sold online as either electronic books or downloadable copies that can be printed upon purchase.
As the former chair of the planning board for 18 consecutive years and a board member for 28 years, Joan Philkill attended more than 400 meetings and reviewed more than 700 rezoning applications.
She was an educator, a builder of institutions and organizations, and a major figure in the Black church and secular feminist movements as well, so one of the best-known and most well-respected African Americans of the early twentieth century was Nannie Helen Burroughs.
Unlike the other major planets, Pluto has a highly eccentric orbit, which is thus closer to the Sun than Neptune is for 20 years out of every 230-year cycle, even though it is commonly described as the remotest planet in the solar system.
The government predicts that, for consumers and businesses that make a large number of long-distance calls, the Federal Communications Commission's recent telephone rate cuts will greatly reduce costs, though some consumer groups disagree with the government's estimates, suggesting they are too optimistic.
The British sociologist and activist Barbara Wootton once noted as a humorous example of income maldistribution that the elephant that gave rides to children at the Whipsnade Zoo was earning annually exactly what she then earned as director of adult education for London.
One automobile manufacturer has announced plans to increase the average fuel efficiency of its sport utility vehicles by 25 percent over the next five years, amounting to roughly five miles per gallon, and representing the first significant change in the fuel efficiency of any class of passenger vehicle in almost two decades.