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Epigenetics Neil Degrasse Tyson
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Epigenetics is an emerging scientific field. Research focuses on the chemical changes that affect gene expression but do not alter the base sequence of DNA. These chemical ...
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Evolution and genetics in simple terms
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2,002 views
Evolution and genetics once seemed worlds apart. While evolutionary biologists generally charted the paths that organisms had taken in the past, geneticists attempted to ca...
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Dinosaur Mummy Found
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17,152 views
A dinosaur mummy found in North Dakota reveals astonishing new information about the size of the reptiles, their skin, and how quickly they moved.
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Synthesizing an Alkaloid - organic compounds
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3,777 views
Synthesizing, or assembling, organic compounds can be a long and arduous process, involving numerous steps that add, change, or remove atoms from a framework. To synthesize...
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Booming Sands
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94,177 views
Sand on a dune possesses energy in the form of gravitational potential energy. The greater the height of the sand dune, the more gravitational potential energy the sand on ...
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Transitional Tetrapod Fossil
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3,235 views
Tiktaalik, from the Inuit word meaning "large shallow-water fish," had a flexible neck. This is significant because in modern tetrapods like amphibians, the head is separat...
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Big Bang Astronomy Theories Swift satellite
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4,053 views
Swift is a satellite designed by Penn State researchers and launched by NASA to study gamma-ray bursts. Launched in November of 2005, the satellite was named after the swif...
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How Did Life Emerge Here? Evolution
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4,076 views
If you were to explore the ground in almost any terrestrial region on Earth, chances are you would find soil. This layer of Earth's surface is essential to life. It supplie...
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The Grand Canyon: Evidence of Earth's Past
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12,097 views
Most of the Grand Canyon's exposed rocks belong to the third category: sedimentary rock. When mineral grains are eroded from surface materials, transported by water or wind...
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The Grand Canyon: How It Formed
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92,313 views
Erosive forces continue to shape the Grand Canyon today, millions of years after it began to form. Normal channel erosion alone, however, cannot explain the many kilometers...
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