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Investigating the World's Lightest Solid
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Aerogels are the world's lightest (least dense) solids. They are also excellent thermal insulators and have been used in numerous Mars missions and the Stardust comet particle-return mission. The focus of this video is silica aerogels, though graphene aerogels are now technically the lightest.

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Single-celled Organism Dies
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This video captures the fascinating final moments of a single-celled organism, which belongs to the genus Blepharisma. Watch as the protozoa's membrane breaks down and its organelles spill out.

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Introduction to MADLS: Multi-Angle Dynamic Light Scattering
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This video provides a simple introduction to the technique of MADLS – Multi-Angle Dynamic Light Scattering – exclusively available in Malvern Panalytical’s new Zetasizer Ultra.

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The Immortal Cells of Henrietta Lacks
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Imagine something small enough to float on a particle of dust that holds the keys to understanding cancer, virology, and genetics. Luckily for us, such a thing exists in the form of trillions upon trillions of human, lab-grown cells called HeLa. But where did we get these cells?

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Cellular Movement
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Cell migration is fundamental to many processes such as embryonic development and wound healing, and cancer metastasis. Understanding the mechanisms behind how cells move represents an important piece to the puzzle of regenerative medicine and many therapeutic strategies.

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The Mysterious Science of Pain
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Explore the biological and psychological factors that influence how we experience pain and how our nervous system reactions to harmful stimuli.

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Scientists Capture First-ever Video of Body’s Safety Test for T cells
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Using a new imaging technique, researchers for the first time captured the process in which developing killer T-cells are tested by dendritic cells, and others, to see if they react to normal proteins from the body, called self-antigens

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What the Smell of Freshly Cut Grass Really Means...
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Spring is in the air! It’s time to mow the lawn and breathe in the smell of freshly cut grass. But this pleasant springtime scent may actually be a chemical cry for help. In the latest Reactions episode, we explain how plants communicate, their chemical response to being damaged, and how bugs play a part.

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Science Is Everywhere with Neil deGrasse Tyson
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Science really is everywhere! From the Big Bang to quantum mechanics to free will to ice skating, we explore it all featuring Neil deGrasse Tyson, Chuck Nice, theoretical physicist Brian Greene, neuroscientist Heather Berlin, rapper Baba Brinkman, and Olympic silver medalist figure skater Sasha Cohen.

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Sickle Cell Disease – What Causes It and How Can It Be Treated?
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What shape are your cells? Squishy cylinders? Jagged zig-zags? You might not spend a lot of time thinking about the bodies of these building blocks, but microscopically, small variations can have huge consequences.

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