Topic: dna

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What Really Causes Sunburns?

Why does your skin turn red and peel when you get a sunburn? In this episode of Gross Science, Anna Rothschild explains what's going on in our skin when it burns from sun exposure.

The Science of Skin Color – TED Ed

When ultraviolet sunlight hits our skin, it affects each of us differently. Depending on skin color, it’ll take only minutes of exposure to turn one person beetroot-pink, while another requires hours to experience the...

How the Sun Sees You: Revealing human skin in ultraviolet light

Artist Thomas Leveritt set up a ultraviolet camera and viewing monitor in Brooklyn's Prospect Park to show people what their skin looks like in ultraviolet light. This is "how the sun sees you." The revealed freckles ...

Summertime Science: Sunburn, Sweat, and Wrinkly Fingers

Why do we sweat? Why do our fingers wrinkle in water? Why do we get sunburns? Joe Hanson explains it all in this summer science episode of It's Okay to Be Smart. Bonus: find out what those SPF numbers mean on your sun...

The Animated Life of A.R. Wallace

This incredible paper puppet video by Flora Lichtman and Sharon Shattuck chronicles the story of British naturalist, anthropologist, biologist, geographer, and intrepid adventurer Alfred Russel Wallace, who was also C...

Celebrating Crystallography – An adventure in structural analysis

One of the great innovations of the twentieth century is likely not well-known, but this video from the Ri Channel is looking to change that: This is X-ray crystallography.  Discovered in 1913 by William and Lawren...

Snail development time lapse: From embryo to hatching

Via skeptv, New Scientist reports on this time lapse video of snail development from embryo to hatching: Oliver Tills of Plymouth University, UK, and colleagues tracked the timing of 12 diff...

The brilliance of bioluminescence – TED Ed

Nature often devises surprising solutions for hunting food, warning predators away, and attracting mates, but one of the most magical-looking of these solutions might be bioluminescence, or biochemical light created b...

Why Red Blood Cells Look Like Donuts

This week, the 5 year old discovered the science videos of Bite Sci-zed’s Alex Dainis, starting with this one: Echinoderm Show & Tell. When he immediately asked for more, we watched The Gas Laws, Dishes and...

Preserving the Forest of the Sea – Science on the SPOT

In this Science on the SPOT: Preserving the Forest of the Sea, watch Kathy Ann Miller, PhD, curator of the University Herbarium at the University of California - Berkeley, as she shares the wide variety of seaweeds ...

How Mendel’s pea plants helped us understand genetics

How Mendel’s pea plants helped us understand genetics. Also explained in a single vintage illustration. Complement with why we are all related. From TED-Ed. via explore-blog.

BBC Knowledge Explainer: DNA

Director William Samuel and London-based studio Territory made this beautifully illustrated explainer of DNA for BBC Knowledge and Learning. Read more about their inspiration (hint!) and the B...

Charles and Ray Eames’ Powers of Ten (1977)

Powers of Ten, written and directed by Charles and Ray Eames, was first released in 1968 and later re-released in 1977. From Powersof10.com: Powers of Ten takes us on an adventure in magnitudes. Starting at a picn...


 
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