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100 Greatest Discoveries: A Disk of Stars
Musician, astronomer and telescope maker, William Herschel discovered the planet Uranus and that the Milky Way is full of stars. Learn more about his findings on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Atomic Weight
On the Science Channel's "100 Greatest Discoveries," learn about John Dalton's atomic theory and how it became the system we use now in determining atomic weight.
100 Greatest Discoveries: August Kekule's Written Model
On the Science Channel's "100 Greatest Discoveries," learn how German chemist August Kekule created a written model to visualize the chemical structure of atoms.
100 Greatest Discoveries: Blood Flow Theory
English physician William Harvey's studies on blood flow were breakthroughs in understanding the human heart and the circulatory system. Learn more about blood flow on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Blood Transfusion
Austrian physician Karl Landsteiner discovered that not all human blood is the same, and that there are four different blood types. Learn more about the beginnings of blood transfusion on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Combining Atoms
On the Science Channel's "100 Greatest Discoveries," learn how the work of Joseph Gay-Lussac and Amedeo Avogadro led to the discovery of new compounds.
100 Greatest Discoveries: Continental Drift
Groundbreaking research by Alfred Wegener reveals that all the continents were once connected as one single land mass he called Pangaea. Learn more about Wegener's continental drift theory on The Science's Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Cosmic Radiation
Through his hot air balloon experiments, physicist, Victor Hess discovers the phenomenon and effects of cosmic radiation. Learn more about cosmic radiation on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Discovery of Plastics
Learn about the discovery of plastic on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Earth's Atmospheric Layers
Weather and climate studies got their start with meteorologist Leon Teisserenc de Bort's discovery of the Earth's layers. Learn more about the Earth's layers on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Earth's Magnetic Field
Bernard Brunhes' study of volvanic eruptions led to the discovery of the Earth's magnetic field reversal. Learn more about Brunhes' findings on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Electrochemistry
On The Science Channel's "100 Greatest Discoveries," learn how the experiments of Humphry Davy became a breakthrough in electrochemistry.
100 Greatest Discoveries: Elliptical Orbits
In 1571, German mathematician Johannes Kepler discovered that the planets revolved around the sun in an elliptical orbit, not a circular one. Learn more about Kepler's findings on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Forming Bonds with Electrons
In an attempt to understand the behavior of atoms, chemist Gilbert Lewis created a model that theorized that atoms form bonds through their electrons. Learn more about chemical bonds on the Science Channel's "100 Greatest Discoveries.
100 Greatest Discoveries: Gamma Ray Bursts
Gamma bursts are very big explosions, and they happen in space all the time. Some are so big we can see them light years a way. Learn more about gamma bursts on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: General Relativity
On the Science Channel's "100 Greatest Discoveries," learn about Albert Einstein's theory of general relativity.
100 Greatest Discoveries: Genetics and Gregor Mendal
Through calculated cross breeding of garden peas Gregor Mendel discovered a pattern of dominant and recessive traits which led to groundbreaking advances in the field of genetics. Learn more on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Geological Change
On the Science Channel's "100 Greatest Discoveries," watch as Bill Nye examines Charles Lyell's study of rock formations and how they revealed that the process of geological change was slowly developed over time.
100 Greatest Discoveries: Germ Theory Origins
On The Science Channel's "100 Greatest Discoveries," learn how Louis Pasteur discovered how to "pasteurize" to keep things germ free.
100 Greatest Discoveries: Global Warming and CO2
It was American geochemist David Keeling who helped make the link between global warming and carbon dioxide emissions. Learn more about his studies on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Halley's Comet
On The Science Channel's "100 Greatest Discoveries," learn all about the discovery of Halley's Comet.
100 Greatest Discoveries: Invention of Sulfa Drugs
Sulfa is a chemical substance that can cure and prevent bacterial infections. Learn more about its discovery on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Jupiter's Moons
On The Science Channel's "100 Greatest Discoveries," learn about Galileo Galilei's discovery of Jupiter's moons.
100 Greatest Discoveries: New Air Oxygen
The Science Channel's "100 Greatest Discoveries," looks at the work of Joseph Priestly and Antoine Laurent Lavoisier the pair who has been credited as the ones who discovered and invented oxygen.
100 Greatest Discoveries: Periodic Ice Age
What could cause an ice age? Find out as Milton Milankovitch's calculations of the Earth's orbit and angle of axis is examined on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Planets Orbiting Other Stars
Thanks to powerful modern telescopes, scientists can now search for other solar systems in the galaxy. Learn more on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Plate Tectonics
On The Science Channel's "100 Greatest Discoveries," Bill Nye and geologist, Dr. Neal Driscoll, visit the California coastline where the Pacific and North American plates collide to help explain the phenomenon and effects of plate tectonics.
100 Greatest Discoveries: Radioactivity
The discovery of radiation was a major breakthrough in chemistry. By studying radiation, Henri Becquerel discovered radioactivity. Learn more about radioactivity on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Radiometric Dating
Bertram Boltwood's study of decaying radioactive uranium in rock formations provided insight into calculating the age of the Earth. Learn more about radiometric dating on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Sea Floor Spreading
One of the dynamic principles of geology is explained with Harry Hess' discovery that the sea floor was spreading and the concept of subduction. Learn more about sea floor spreading on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Shrinking Glaciers
The melting of glaciers is one of the most visible effects of global warming. See it captured on film and learn how the emission of fossil fuels may contribute to current warming trends on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Signature Light of Elements
On Science Channel's "100 Greatest Discoveries," learn why every atom, when burned, has a different color.
100 Greatest Discoveries: Study of Relativity
Einstein's study of relativity led to the now famous equation e=mc squared. Learn more about this equation on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Synthesis of Urea
Before Friedrich Wöhler created urea, scientists believed that organic substances were unable to combine with inorganic substances. Learn more about the discovery of urea on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: The Beginning of Anesthesia
Anesthesia allowed surgeries to be completely painless for the patient. Learn how it was discovered on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: The Beginning of Vaccinations
The Smallpox Vaccination represents a man made product being capable of interfering with disease. Learn more on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: The Cathode Ray Tube
A cathode ray tube (CRT) is an instrument that showed that there was an invisible force, electrons, that exist in our world. Watch the CRT at work on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: The Center of the Earth
Learn about the center of the Earth on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: The Core of the Earth
On the Science Channel's "100 Greatest Discoveries," take an in depth look at our planet with host Bill Nye, as he examines the Earth's inner and outer core.
100 Greatest Discoveries: The Discovery of Oxygen
Learn about the work of Joseph Priestley and how it ultimately led to the discovery of oxygen on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: The Discovery of Vitamins
On The Science Channel's "100 Greatest Discoveries," learn about the discovery that a healthy diet with the necessary vitamins prevented many diseases without much effort.
100 Greatest Discoveries: The Expanding Universe
In 1924, astronomer Edwin Hubble's studies led him to conclude that that the universe is constantly expanding. Learn more about the expanding universe on the Science Channel's "100 Greatest Discoveries.
100 Greatest Discoveries: The Invention of Insulin
Diabetes would still take countless lives if it were not for this unique drug. Learn more about the discovery of insulin on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: The Mid Atlantic Ridge
On The Science Channel's "100 Greatest Discoveries," learn about the discovery of a Mid-Atlantic Ridge -- a 12,000 mile long mountain range underneath the Atlantic Ocean.
100 Greatest Discoveries: The Milky Way's Radio Waves
In 1930, physicist Karl Jansky discovered a black hole on the other side of the Milky Way by studying radio waves. Learn more about Jansky's findings on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: The Periodic Table
Dmitri Mendeleev's discovery of the periodic table gave scientists an easier way to teach elements to students. Learn more about the periodic table on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: The Planets Move
One of the first great discoveries was when scientists disproved the theory that the planets revolved around the Earth. Learn more about the movement of the planets on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Theory of Copernicus
In 1543 Nicolaus Copernicus, on his deathbed, challenged the thinking of his time by suggesting that Earth revolved around the sun. Learn more about Copernicus' studies on The Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Theory on Germs
In 1846 Vienna, childbed fever caused death among many pregnant patients. Consequently, Dr. Ignaz Semmelweis began an experiment where his doctors washed their hands. Learn more about this experiment on the Science Channel's "100 Greatest Discoveries."
100 Greatest Discoveries: Uses
Thanks to research done by Ernest Rutherford and Marie and Pierre Curie, we now have many useful and life saving materials made from radioactive materials. Learn what they are on the Science Channel's "100 Greatest Discoveries."
Understanding: Antonie van Leeuwenhoek
Antonie van Leeuwenhoek is known as the first microbiologist. He was able to construct his own microscope and discover microorganisms. Learn more on The Science Channel's "100 Greatest Discoveries."