At the annual stockholders meeting, investors heard a presentation on the numerous challenges facing the company, including among them the threat from a rival’s multibillion-dollar patent-infringement suit and the declining sales for the company’s powerful microprocessor chip.

Fossils of the arm of a sloth found in Puerto Rico in 1991, and dated at 34 million years old, made it the earliest known mammal of the Greater Antilles islands.

NASA’s methodical approach to the exploration of Mars has not yet answered the questions of whether biological life forms ever emerged on Mars and whether, presuming such life forms having left fossil traces to begin with, those traces can still exist in some moist recesses of the cold a...

In the Louisiana Purchase of 1803, the United States acquired 828,000 square miles for about four cents an acre, which more than doubled the country’s size and that brought its western border within reach of the Pacific Ocean.

Whereas in mammals the tiny tubes that convey nutrients to bone cells are arrayed in parallel lines, in birds the tubes form a random pattern.

【OG19-P702-681题】Heating oil and natural gas futures rose sharply yesterday, as long-term forecasts for much colder temperatures in  key heating regions raised fears of insuff...

The proposal to hire ten new police officers in Middletown is quite foolish. There is sufficient funding ...

For each of the following statements, select Yes if the statement must be true of a boy selected at random from a model population. Otherwise, select No.

【OG19-P526-598题】Economist : The price of tap water in our region should be raised drastically. Supplies In local freshwater reservoirs have been declining for years because w...

The author of the passage mentions the status of age as a principle of social organization in precolonial...

Discouraged by new data that show increases in toxic emissions from domestic factories, searches for alternative investment opportunities are being conducted by shareholders of the nation`s ...

Since the Italian government began a crackdown on the black market in the 1970's, the amount of looted antiquities smuggled out of Italy dropped by a 50 percent decline.

Unlike lions and tigers, which can be roaring by causing its hyoid bones to vibrate, domestic cats have fixed hyoid bones and are therefore unable to roar.

Human activity on the continent of Antarctica is regulated by the Antarctic Treaty, which was signed in 1959 by 12 countries and prohibits any military activity, supports scientific research...

On any city street in today's world one will encounter more women who wear pants than skirts, yet, just two or three generations ago, when police forced actress Marlene Dietrich to leave...