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560 million-year old fossil provides earliest evidence of muscles. (Biology Pop)

Artistic reconstruction of Haootia quadriformis. fossils of this organism provide earliest evidence of muscles.

The Origin of Species | HHMI BioInteractive.  The Origin of Species series tells the stories of the intrepid naturalists who have traveled the world in search of evidence and answers.

Our series of short films for the classroom brings important scientific advances to life through fascinating stories of discovery.

If you got 11 minutes and want to learn about how whales are a good demonstration of how we know evolution is a thing, here ya go. - Biology

"What is the Evidence for Evolution?"

How Cute! Trilobites Curled Up in Self-Defense - by Tia Ghose for LiveScience [September 24, 2013] Trilobites, such as this Mummaspis muralensis, emerged during the Cambrian Period and went extinct more than 250 million years ago.

How Cute! Trilobites Curled Up in Self-Defense

It took only years to kill more than 90 percent of all life on Earth, according to the most precise study yet of the Permian mass extinction, the greatest die-off in the past 540 million years. Trilobites disappeared during this time.

One of the famous Brachylophosaura of Malta, Montana.  This is "Roberta" but they also have "Leonardo", listed in the Guiness Book of Records as the world's best preserved dinosaur: with intact skin, muscle and internal organs.  Nate Murphy, the paleontologist who discovered them is pictured here but later went to jail for unrealted charges involving fossil theft.

One of the famous Brachylophosaura of Malta, Montana. This is "Roberta" but they also have "Leonardo", listed in the Guiness Book of Records as the world's best preserved dinosaur: with intact skin, muscle and internal organs.

Living fossils are found throughout the fossil layers. In fact, almost every “family” of living animals has an amazingly similar ancestor preserved deep in the fossil record. What does this mean? This exclusive wall chart provides an overview of some of these living fossils.

Living fossils are found throughout the fossil layers. In fact, almost every “family” of living animals has an amazingly similar ancestor preserved deep in the fossil record. What does this mean? This exclusive wall chart provides an overview of some of these living fossils.

As the director of the Center for GeoGenetics at the University of Copenhagen, Dr. Willerslev uses ancient DNA to reconstruct the past 50,000 years of human history. The findings have enriched our understanding of prehistory, shedding light on human development with evidence that can’t be found in pottery shards or studies of living cultures.

Eske Willerslev Is Rewriting History With DNA

Eske Willerslev Is Rewriting Ancient History With DNA. The world-renowned geneticist scrutinizes ancient DNA for clues to the earliest chapters in the human story.

Black Death Left a Mark on Human Genome | Amazi...

Black Death Left a Mark on Human Genome

Black Death Left a Mark on Human Genome 3 February 2014 The Black Death didn’t just wipe out millions of Europeans during the century. It left a mark on the human genome, favoring those who carried certain immune system genes

How did Feathers Evolve? a short video by TED-Ed

Goes thru record of fossil feather evidence but does not disprove some kind of intelligent design from someone something somewhere

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