Shipwrecks are more likely to be found undisturbed at great depths than in shallow coastal waters, which exposes archaeological remains to turbulence and makes them accessible to anyone in scuba gear, whether they be archaeologist, treasure hunter, or sport diver.
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.
The direction in which the Earth and the other solid planets--Mercury, Venus, and Mars--spins were determined from collisions with giant celestial bodies in the early history of the Solar System.
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.
To protect English manufacturers of woolen goods both against American and Irish competition, England passed the Woolens Act of 1698, which prohibited the export of woolen cloth beyond a colony's borders.
The lack of complete historical records from the mid-to-late 1800’s have made some Black inventions difficult to trace to their originators.
Recent essays by Garrison Keillor, the humorist and host of the public radio show A Prairie Home Companion, describes what might happen if Huns, Goths, and Visigoths were to invade Chicago.
An attempt to ratify the Equal Rights Amendment, begun almost two decades ago, has been unsuccessful despite efforts by many important groups, including the National Organization for Women.
Neuroscientists, having amassed a wealth of knowledge over the past twenty years about the brain and its development from birth to adulthood, are now drawing solid conclusions about how the human brain grows and how babies acquire language.
While larger banks can afford to maintain their own data-processing operations, many smaller regional and community banks are finding that the cost associated with upgrading data-processing equipment and with the development and maintenance of new products and technical staff are prohibiti...
A study of food resources in the North Pacific between 1989 and 1996 revealed that creatures of the seabed&nbs...
If xy0, is x/y = 1?(1) x2 = y2(2) xy > 0
If n is a multiple of 5 and n = (p^2)q, where p and q are prime numbers, which of the following...
At the end of 2001, motion picture industry representatives said that there were about a million copies of Hollywood movies available online and expected piracy to increase with high-speed Internet co...
How many different prime numbers are factors of the positive integer n ? （1）Four different prime numbers are&nb...