Greatest Discoveries
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Greatest Discoveries
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E=MC2
Einstein's study of relativity lead to the now famous equation e=mc squared.
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The universe is not perfect, it is full of elliptical orbits. I bet that something you didn't know. Find out how this knowledge came to be fact.
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02:03
Greatest Discoveries
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Elliptical Orbits
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William Herschel was a classical trained musician who changed to astronomy to study the stars. He became the greatest telescope maker of his time and discovered that the Milky Way is full of stars.
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02:47
Greatest Discoveries
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Disk of Stars
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This clip gives a preview of 100 Greatest Discoveries, a show about sciencce breakthroughs.
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00:30
Greatest Discoveries
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100 Greatest Discoveries Promo
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Scientist are smart but did you know that they used radio waves to find a black whole four times bigger than the sun on the other side of the Milky Way. Cool!
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02:47
Greatest Discoveries
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Milky Way Radio Waves
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A great discovery at the time, the earth is not the center of the universe but the sun is. Find out how this discovery came to be.
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02:08
Greatest Discoveries
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Earth Moves
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Gamma Bursts are very big explosions, devastating, and they happen in space all the time. Some are so big we can see them light years a way.
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02:56
Greatest Discoveries
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Gamma Bursts
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Penicillin was one of medical sciences biggest breakthroughs.
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02:14
Greatest Discoveries
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The Discovery of Penicillin
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Pasteur discovered how to "pasteurize" to keep things germ free.
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01:30
Greatest Discoveries
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Germ Theory Origins
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Scientists are surprised to learn that the universe is speeding up.
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03:47
Greatest Discoveries
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Astronomy
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The site of the Burgess Shale was created by an underwater mudflow entombing organisms for hundreds of millions of years
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01:23
Greatest Discoveries
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Burgess Shale Creation
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The discovery that a healthy diet with the necessary vitamins prevented many diseases without really that much effort.
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01:56
Greatest Discoveries
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The Discovery of Vitamins
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Cancer cells may already be inside us on the cellular level, just waiting to be activated.
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02:58
Greatest Discoveries
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Cancer Theories and Discoveries
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Bernard Brunhes' study of volcanic eruptions lead to the discovery of the earth's magnetic field reversal.
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02:34
Greatest Discoveries
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Magnetic Field Reversal
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Early in the eighteenth century scientists first began to classify animals.
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02:01
Greatest Discoveries
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Classification of Species
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Diabetes would still take countless lives if it weren't for this unique drug.
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02:02
Greatest Discoveries
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The Invention of Insulin
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The underground intense heat that powers old faithful, is akin to the type of conditions that according to scientists may have began life
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00:49
Greatest Discoveries
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Yellowstone's underground Volcano
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Darwin's extensive studies in the Galapagos Islands lead to his theory of natural selection, adaptation, and extinction.
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02:34
Greatest Discoveries
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Natural Selection
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Ice hockey is used to explain Sir Isaac Newton's Laws of Motion.
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01:17
Greatest Discoveries
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Laws of Motion
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Alexander Fleming's discovery of penicillin lead to the successful extraction and testing of penicillin on mice injected with streptococci. These tests gave birth to the first antibiotic which became a life saving cure for a variety of diseases.
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02:22
Greatest Discoveries
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Penicillin
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With his construction of his own microscope, Antonie van Leeuwenhoek discovered microorganisms, namely the protozoa, which are single celled pond organisms. Because of his work, he is considered the first microbiologist.
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02:27
Greatest Discoveries
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Microorganisms
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In 1846 Vienna, childbed fever ran rampant causing death among many pregnant patients. Consequently, Dr. Ignaz Semmelweis began an experiment where his doctors washed their hands resulting in a decrease of patient death thus leading to Germ Theory.
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02:50
Greatest Discoveries
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Germ Theory
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Todd and the team get the gun in the water for the first time. Cam's done the math for the placement of the gun and the dummy, but this test is whether the gun explodes.
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02:38
Outrageous Acts of Danger
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Getting In the Water
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Despite the math adding up, Todd is not finding the initial attempts at wall walking with a vacuum cleaner easy. Did something get missed?
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01:56
Outrageous Acts of Danger
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Well, It's Not Easy!
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After Todd's first test of the rule of friction falls with this test dummy, he brings in an expert to sort out where he's gone wrong with the execution.
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03:00
Outrageous Acts of Danger
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The First Test of Friction
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After explaining kinetic energy, which in theory should slow down the one ton wrecking ball Todd wants to release in front of his face, his friend Dr. Alan Duffy says there are too many variables and he wouldn't try it.
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02:01
Outrageous Acts of Danger
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Sound Advice - I Wouldn't Do This
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Supermassive black holes aren't just spinning at the center of galaxies. They may actually be creating galaxies.
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02:54
Strip the Cosmos
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Supermassive Black Holes
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Stripping away the Milky Way's stars, planets, rocks and dust reveals a massive black hole lurking just 26,000 light years from Earth.
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04:06
Strip the Cosmos
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Black Hole in the Milky Way
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More than 20 solar storms a day can occur on the surface of the sun. These energy surges can cause real problems down on Earth.
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03:15
Strip the Cosmos
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Why Solar Storms Are So Dangerous
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Astronaut Mike Massimino calls solar wind, "the biggest obstacle we have for exploring our universe."
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03:01
Strip the Cosmos
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Solar Wind: A Silent Threat
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The dinosaurs died off after a massive asteroid strike with a billion times more energy than the atomic bombs dropped on Hiroshima. A team at NASA studies the impact to learn more.
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03:53
Strip the Cosmos
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Recreating Asteroid Strike That Killed Dinosaurs
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In February 2013, a stunning sight in the sky over Russia made international headlines. The light of an asteroid hurtling toward Earth was brighter than the sun.
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02:51
Strip the Cosmos
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60-Foot-Wide Asteroid Hurtles Toward Earth
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Scientists are studying Mars from every angle in preparation to send the first human astronauts to the Red Planet. Data from the Curiosity rover has proven invaluable.
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03:12
Strip the Cosmos
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Driving on the Surface of Mars
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