- NASA have announced that 715 new planets circling 305 stars have been discovered outside the Earth's solar system, including four planets that are more than double the size of our own. This discovery boosts the number of known planets in our galaxy to over 1,700.
- The first scientific detection of an exoplanet was in 1988. However, the first confirmed detection came in 1992; since then, and as of 1 April 2017, there have been 3,607 exoplanets discovered in 2,701 planetary systems and 610 multiple planetary systems confirmed.
- In the Unites States individuals are subject to federal graduated tax rates from 10% to 39.6%. Corporations are subject to federal graduated rates of tax from 15% to 35%; a rate of 34% applies to income from $335,000 to $15,000,000. State income tax rates vary from 1% to 16%, including local income tax where applicable.
- The Amish are a group of Christian people who choose to live very simple; they wear traditional, 18th century style clothes, and are known for reluctance to adopt many conveniences of modern technology, such as cars,
televisions, and computers.
In 2010 there were approximate 250,000 Amish people living in the U.S., of which over 90% lived in Pennsylvania; between 1992 and 2013, the Amish population increased by about 120%, while the US population increased by around 23%.
- Christian is a person who adheres to Christianity, an Abrahamic, monotheistic religion
based on the life and teachings of Jesus Christ. There were 2.2 billion Christians around the world in 2010, of which about 37% live in the Americas, 26% in
Europe, 24% in sub-Saharan Africa, 13% in Asia and the Pacific, and 1% live in the Middle East and
- Buddhism is a religion and dharma that encompasses a variety of traditions, beliefs and
spiritual practices largely based on teachings attributed to the Buddha. In 2010 there were about 495 million Buddhists, of which about 487 million lived in Asia, 3.9 million in North America, 1.3 million in Europe, and
1 million in the South America, Africa and the Middle East.
- Each year, scientists discover an average of 15,000 new species, and during the past 250 years of taxonomic classification over 1.2 million species were found.
- Which came first, the chicken or the egg? The chicken - The scientists found that a protein found only in a chicken's ovaries is necessary for the formation of the egg; the egg can therefore only exist if it has been created inside a chicken.
- The first microscope and the first telescope were invented in 1595 and 1608, respectively in the Netherlands.
- The Yongle Encyclopedia or Yongle Dadian, which was a Chinese leishu encyclopedia commissioned by the Yongle Emperor
of the Ming dynasty in 1403 and completed by 1408, had its sheer scope and size that made it the world's largest general encyclopedia.
- Most stars in the galaxy have planets in the habitable zone.
- Neptune, the eighth and farthest planet from the sun, has the strongest winds in
the solar system; at high altitudes speeds can exceed 1,100 mph.
- There are 206 bones in the adult human body, and
a child has approximately 300 bones in the body at birth and many of these bones fuse together during he/she grows up.
- Snakes do not eat any type of plant material, but small animals, including lizards,
frogs, other snakes, small mammals, birds,
eggs, fish, snails or
insects. Because snakes cannot bite or tear their food to pieces, they must swallow prey whole.
- The blue whale, a marine mammal, is 98 feet (30
meters) in length and 190
tones or more in weight;
it is the largest existing animal and the heaviest that has ever existed. A new born blue whale measures 20-26 feet (6.0 - 7.9 meters) long and weighs up to 6,614 pounds (3003 kg).
- Lake Mead is the largest reservoir in the United States in maximum water capacity. It is 112 miles (180 km) long when the lake is full,
and 532 feet (162 m) at greatest depth, with a surface elevation of 1,221.4 feet (372.3 m) above sea level; it has 759 miles (1,221 km) of shoreline, 247 square miles (640) km of surface, and 28 million acre feet (35 km) of water when filled to capacity.
- Alexander Graham Bell, the inventor of the telephone, established the Bell Telephone Company in 1879
and American Telephone and Telegraph (AT&T) Company in 1885, which acquired the Bell Telephone Company and became the primary phone company in the United States. His company (AT&T/Bell) maintained a monopoly
on telephone service in the U.S. until anti-trust regulators split the company in 1982.
- Every two-year period, Mars reaches a point in its orbit called "opposition," when the planet lies directly opposite the Sun in Earth's sky. On Tuesday night, April 8, 2014,
Mars, Earth and the
Sun were arranged in a nearly straight line; the next "opposition" will be on May 22, 2016.
- The Sun is over 300,000 times larger than the Earth.
- Mercury is the least explored terrestrial or rocky planet in our Solar System. which formed around 4.6 billion years ago.
- Venus has often been described as Earths sister planet since the two are very similar in size and bulk composition.
- Halleys Comet was last seen in the inner solar system in 1986, it will be visible again from Earth sometime in 2061.
- It is because of lower gravity, a person who weighs 100kg on earth would only weigh 38kg on the surface of Mars.
- Sunlight takes a little more than 8 minutes to reach the Earth; this means that when we are looking at the sun as it as 8 minutes ago.
- Compared with our own Moon, which is about the same size, the Mercury planet reflects much less light.
There's a lot more carbon dust thrown off from comets close to the Sun, where Mercury orbits -- about 50 times as much for Mercury as for our moon.
- Mercury, the first and smallest planet in the Solar System, speeds around the Sun in 88 Earth days, but takes almost 176 Earth days to go from sunrise to sunset.
The temperatures during the day on Mercury can be 840° F; at night, the temperatures plummet to -300° F.
- Venus is the second planet from the Sun, orbiting it every 224.7 Earth days.
It has almost the Earth size, and is covered in thick clouds that are made mostly of carbon dioxide and acid. The surface temperature can be as high as 930° F, caused mostly by the clouds that trap the heat and reflect it back.
One day on Venus is 243 Earth days, and its year is 225 Earth years.
- Earth is the third planet from the Sun, the densest planet in the Solar System, the largest of the Solar System's four
terrestrial planets, and the only astronomical object known to accommodate life.
Formed about 4.6 billion years ago, the Earth speeds around the Sun in 365 Earth days. The average temperatures on Earth is around 59° F.
- Mars is the fourth planet from the Sun and the second smallest planet in the Solar System.
It is a Red Planet and the closest planet to Earth, has polar ice caps, suggesting the water is on Mars. Temperatures on Mars during the day are about 80° F, but at night drop to -270° F.
- Jupiter is the fifth planet from the Sun and the largest planet in the Solar System.
It has no surface because it is made mostly of gasses. The average temperature on Jupiter is -235° F. Jupiter has a day that lasts 9.9 Earth hours and a year that lasts 11.9 Earth years.
- Saturn is the sixth planet from the Sun and the second largest planet in the Solar System, after Jupiter.
It is a gas giant planet with no surface to walk on. The average temperature on Saturn is -218° F. One day on Saturn is 10 Earth hours and one year is 29.46 Earth years.
- Uranus, has the third-largest planetary radius and fourth-largest planetary mass in the Solar System. It is
a gas giant with no surface to walk on, and is a unique planet with its blue-green color caused by the methane gas that reflects back blue and green light. Only one pole of Uranus faces the Sun, while the other is in complete darkness. One side of Uranus gets 42 years of light, followed by 42 years of darkness.
Uranus has a temperature of -323° F. The average day on Uranus is 17.9 Earth hours and a year is 84 Earth years.
- Neptune, which is the eighth and farthest planet from the Sun in the Solar System, has many dwarf planets (i.e.; it isnt large enough to be considered a planet).
On this planet the winds blow over 1,200 miles per hour and the temperature is -350° F. One day on Neptune is equal to 19 Earth hours and one year is equal to 164.8 Earth years.
- The diameters of the Sun, the Earth and the Moon are 870,000 miles (1,391,000 kilometers), 7,926 miles (12,756 kilometers) and 2,173 miles (3,477 kilometers, respectively.
- It is because of gravity of the Sun and Moon we have high & low tides on the Earth.
- On May 11, 1997, an IBM chess-playing computer, known as
Deep Blue, beat world chess champion
- Honda built a
walking humanoid robot in 1986.
- In 1999 Sony designed and sold a robotic dog (AIBO) with the ability to learn, entertain and communicate with its owner.
- Video games can be played on a number of different platforms, which include game consoles, handheld systems, computers, mobile phones, and others. Popular game consoles that dominate current markets are
Microsoft Xbox 360 and
Sony Playstation 3.
- Televisions first went on sale in the late 1920s;
color television sets were developed and become widespread in 1970s, and televisions with remote controls were in the market since early 1980.
- Rutherford B. Hayes (March 4, 1877 March 4, 1881) was
the first president to have a telephone in the
White House, installed in 1877 by
Alexander Graham Bell (March 3, 1847 August 2, 1922), who was inventing the first practical telephone.
- John Adams (March 4, 1797 March 4, 1801) was the first president to live in the White House.
- George Washington (April 30, 1789 March 4, 1797) was the wealthiest president, who had a net worth over half a billion in todays dollars. He also owned many slaves but decided to free them in his will.
- The tallest president is
Abraham Lincoln, (March 4, 1861 April 15, 1865), who was 6'4" tall; the shortest president is
James Madison, (March 4, 1809 March 4, 1817), who was 5'4" tall; the heaviest president was
William Howard Taft (March 4, 1909 March 4, 1913), who weighted more than 300 lbs.
- Abraham Lincoln (March 4, 1861 April 15, 1865) was virtually unknown in the
Republican Party in 1858 when he challenged powerful U.S. Sen.
Stephen Douglas (4 March 1847 3 June 1861) of Illinois.
Lincoln lost to Douglas for the Senate but beat him in the presidential election.
- John Adams (March 4, 1797 March 4, 1801) and
Thomas Jefferson (March 4, 1801 March 4, 1809) died on the same day, July 4, 1826; five years later,
James Monroe (March 4, 1817 March 4, 1825) died on July 4, 1831.
- Grover Cleveland was the only president to serve two nonconsecutive terms: the 22nd president (March 4, 1893 March 4, 1897) and the 24th president (March 4, 1885 March 4, 1889).
- Woodrow Wilson (March 4, 1913 March 4, 1921) (received a PhD in history and political science from Johns Hopkins University) was the 13th President of Princeton University (19021910) before he was the 28th U.S. president.
- Many U.S. presidents had well-known nick names:
Ronald Reagan) (January 20, 1981 January 20, 1989) 's nick name is Dutch;
Theodore Roosevelt ) (September 14, 1901 March 4, 1909) - the Rough Rider;
Woodrow Wilson (March 4, 1913 March 4, 1921) - the Professor;
Franklin D. Roosevelt) (March 4, 1933 April 12, 1945) - the Boss;
Martin Van Buren ) (March 4, 1837 March 4, 1841) - the Little Magician; and
Abraham Lincoln (March 4, 1861 April 15, 1865) - the Rail Splitter.
- There were four U.S. presidents who were assassinated while in office: Abraham Lincoln (March 4, 1861 April 15, 1865),
James Abram Garfield (March 4, 1881 September 19, 1881),
William McKinley (March 4, 1897 September 14, 1901), and
John F. Kennedy (January 20, 1961 November 22, 1963),
There were other attempts, the latest being attempts on the lives of U.S. presidents included
Truman (April 12, 1945 January 20, 1953),
Gerald Ford (August 9, 1974 January 20, 1977), and
Ronald Reagan (January 20, 1981 January 20, 1989).
- There were four U.S. presidents who were passed away while in office. They died because of sickness.
William Henry Harrison (March 4, 1841 April 4, 1841) died in 1841 -
Zachary Taylor (March 4, 1849 July 9, 1850) died in 1850 -
Warren G. Harding (March 4, 1921 August 2, 1923) died in 1923 -
Franklin D. Roosevelt) (March 4, 1933 April 12, 1945) died in 1945 -
- In the U.S., the President, who is elected by the entire country and serves a four-year term, is the head of the executive branch, which makes laws official. The President appoints or removes cabinet members and high level officials.
- In the U.S., Senate there are 100 senators (two from each state) elected by their states and serve six-year terms. The U.S. Vice President is considered the head of the Senate, but does not vote in the Senate unless there is a tie.
- The Senate approves nominations made by the President to the Cabinet, the Supreme Court, federal courts and other important posts.
- In the U.S., House of Representatives there are 435 representatives elected by their states and serve two-year terms. The Speaker of the House, elected by the representatives, is considered the head of the House.
- If the U.S. President does not believe the bill is good for the country, he does not sign it; this is called a veto. However, with enough votes the legislative branch (U.S. Senate and U.S. House of Representatives) can override the President's veto, and the bill becomes a law.
- Virginia is the birth state of the most presidents.
- San Francisco's Golden Gate Bridge, completed in 1937, has become one of the most internationally recognized symbols of the U.S. It was designed by Joseph B. Strauss,
and has the second longest suspension bridge main span (4,200 feet) in the U.S, after the Verrazano-Narrows Bridge in New York City.
- The Cathedral of St. John the Divine (in New York City), which was begun to build in 1892 and was completed in 2008, is the largest cathedral in the world: 601-ft wide at the nave and 320-ft wide at the transept.
- Rockefeller Center, in New York City, occupies more than 22 acres and has 19 building.
- The Eiffel Tower, in Paris, was built for the Exposition of 1989 by Alexandre Gustave Eiffel. It is 984-ft. high (1,056 ft.; including the television tower).
- The Taj Mahal (1632-1650), at Agra, India, built by Shah Jahan as a tomb for his wife, is one of the most beautiful building in the world.
- The Great Sphinx of Egypt, one of the wonders of ancient Egyptian architecture, adjoins the pyramids of Giza and has a length of 240 ft. Built in the 4th dynasty, it is approximately 4,500 years old.
- Angkor Wat (outside the city of Angkor Thom, Cambodia), which was built during the 12th century, is one of the most beautiful of Cambodian or Khmer architecture.
- The Great Wall of China (228 B.C.E.), which was built mainly of soil/sand and stone, is 1,400 miles long and varies in height between 18 to 30 ft. Designed specifically as a defense against nomadic tribes, it has many large watch towers.
- The planet Earth was formed 4.5 billion years ago before the Common Era (B.C.E).
- Wiley Post took a Lockheed Vega aircraft, Winnie Mae, 15,596 miles to fly solo around the world in 7 days, 18 hours, 49.5 min (July 15-22, 1933).
- Twelve astronauts have walked on the
moon. They are
Eugene A. Cernan &
Harrison H. Schmitt (Apollo 17, December 7-19, 1972),
John W. Young &
Charles M. Duke (Apollo 16, April 16-27, 1972),
David R. Scott and
James B. Irwin (Apollo 15, July 26-August, 1971),
Alan B. Shepard, Jr. &
Edgar D. Mitchell (Apollo 14, January 31-February 9, 1971),
Charles P. Conrad&
Alan L. Bean (Apollo 12, November 14-24, 1969),
Neil A. Armstrong &
Edwin E. Aldrin, Jr. (Apollo 11, July 16-24, 1969)
- Recent data collected by the Hubble Space Telescope suggests that the
universe is around eight billion years old.
- Based on the 2006 gold-producing country data, the U.S. was the fourth largest gold-producing nation (242,000 kgs). The Republic of South Africa led the world in gold production (272,128 kgs) . The other top
countries were: China (247,200 kgs), Australia (247,000 kgs), Peru (203,268 kgs), Russia (159,340 kgs) and Canada (104,198 kgs).
- The University of Pennsylvania School of Medicine (former College of Philadelphia Department of Medicine), which was established on May 3, 1765, was the first medical college in the U.S.
The first commencement was held June 21, 1768, when medical diplomas were presented to ten members of graduating class.
- Elizabeth Blackwell (1821-1910) was the first woman physician in the U.S. She received her medical degree in 1849 from Geneva Medical College in New York.
- Karl Benz (1844-1929) and Gottlieb Daimler (184-1900) were the first people who invented the
They worked independently, unaware of each other's endeavors
- Guglielmo Marconi (1874-1937), of Bologna, Italy, was the first person to prove that radio signals could be sent over long distances. In 1906, the
American inventor Lee de Forest (1873-1961) built a device that made voice radio practical.
- The American Philo T. Farnsworth (1906-1971), one of
television pioneers, was the first person to propose that pictures could be televised electronically.
- People and Discoveries:
- Luis Alvarez, atomic physicist and dinosaur extinction theorist
- Frederick Banting, developer of insulin
- Christiaan Barnard, pioneering heart-transplant surgeon
- Jocelyn Bell, discoverer of pulsars
- Charles Best, co-developer of insulin
- Niels Bohr, atomic physicist
- Wallace Carothers, inventor of nylon
- Rachel Carson, environmentalist
- Ernst Chain, developer of penicillin
- Jean-Martin Charcot, pioneer in the study of mental illness
- Francis Crick, solver of the puzzle of DNA
- Charles Davenport, eugenecist
- Lee de Forest, radio pioneer
- Albert Einstein, theorist of physics
- Alexander Fleming, discoverer of penicillin
- Henry Ford, first to use moving assembly line
- Jay Forrester, computer pioneer
- Rosalind Franklin, key in solving the puzzle of DNA
- Sigmund Freud, theorist of human psychology
- Frieda Fromm-Reichmann, pioneering psychological therapist
- Jim Gates, sub-atomic theorist
- Murray Gell-Mann, sub-atomic particle theorist
- Joseph Goldberger, investigator of nutritional disease
- Harry Harlow, psychological researcher and theorist
- Stephen Hawking, physicist and cosmologist
- Werner Heisenberg, sub-atomic theorist
- Harry Hess, investigator of the deep ocean floor
- Dorothy Hodgkin, researcher into the chemical structure of medicines
- Arthur Holmes, investigator of the history of the earth
- Donald Hopkins, world health promoter
- Abraham Maslow, theorist of humanistic psychology
- Grace Murray Hopper, developer of computer language
- Edwin Hubble, astronomer who expanded the bounds of the Universe
- Percy Julian, discoverer of key medicines
- The Leakey family, investigators of our human ancestors
- Henrietta Leavitt, key in measuring stellar distances
- Guglielmo Marconi, radio transmission pioneer
- J. Robert Oppenheimer, atomic physicist and theoritician of astonomical phenomena
- Ivan Pavlov, investigator of animal behavior
- Wilder Penfield, mapper of the human brain
- Max Planck, physicist whose ideas led to quantum theory
- Ernest Rutherford, pioneering atomic physicist
- Jonas Salk, developer of the first polio vaccine
- Erwin Schrodinger, subatomic theorist
- William Shockley, developer of the transistor
- B.F. Skinner, behavioral theorist
- Roger Sperry, investigator of human brain function
- John Watson, theorist of human behavior
- Alfred Wegener, developer of the theory of continental drift
- Steven Weinberg, unified field physicist
- Stephen Wozniak, personal computer pioneer
- Wilbur and Orville Wright, pioneering aviators