SciShow
The Oversized Invasive Carrot That Can Give You Third Degree Burns
All plants get energy from the sun, but the giant hogweed gets another, dangerous superpower from the sun's light: the ability to burn skin with its sap.
SciShow
The Unsung Scientist Behind the Building Blocks of DNA | Marie M. Daly
Our understanding of both clogged arteries and the building blocks of DNA are thanks to the groundbreaking work of Dr. Marie M. Daly, the first Black woman in the U.S. to receive a Ph. D. in chemistry.
SciShow
The 2015 Nobel Prizes!
Over the past few weeks, the Nobel committees have been announcing the 2015 laureates. This year’s winners in the physics and chemistry categories made discoveries about the tiny neutrinos flying through all of us, and the ways our...
SciShow
3 Sad Surprises: The Human Genome Project
Hank tells us three surprises about human DNA which we learned because of the Human Genome Project.
SciShow
Here's What DNA Really Looks Like
There’s more to DNA than just the double helix we know and love: under some conditions this familiar molecule can take on unfamiliar forms, each of which can have a different impact on our health.
SciShow
Should I Wear Sunscreen in the Winter?
DNA damage doesn't just happen in the summer, but does that really mean we should wear sunscreen in the cloudy and chilly months?
Bozeman Science
Nucleic Acids
Paul Andersen explains the importance and structure of nucleic acids. He begins with an introduction to DNA and RNA. He then describes the important parts of a nucleotide and shows how they are connected through covalent and hydrogen...
Crash Course
DNA, Hot Pockets, & The Longest Word Ever: Crash Course Biology
Hank imagines himself breaking into the Hot Pockets factory to steal their secret recipes and instruction manuals in order to help us understand how the processes known as DNA transcription and translation allow our cells to build proteins.
Bozeman Science
What is DNA?
Paul Andersen describes the molecular structure of DNA. He describes the major parts of a nucleotide and explains how they are assembled into a nucleic acid. The nitrogenous base, deoxyribose sugar and phosphate group make up a single...
Curated Video
Base (biology)
In the DNA double helix, the links between the two strands are formed by pairs of much smaller molecules called bases. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise...
Curated Video
Nucleic acid
A class of large polymer molecules consisting of repeating units called nucleotides. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
DNA replication
An essential stage in cell division and reproduction, allowing genetic material to be copied into a new cell. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
What is DNA?
How does our DNA make us unique, and how is this unique genetic information passed on when cells divide? Biology - Cells And DNA - Learning Points. Deoxyribonucleic Acid (DNA) molecules are found in chromosomes within all our cells. DNA...
Curated Video
The Main Principles of Heredity: The Chemical Structure of DNA
By the end of this learning object, the learner will be able to: Explain the chemical structure of DNA.88055
JJ Medicine
Pyrimidine Synthesis and Salvage Pathway
Lesson on pyrimidine synthesis and metabolism, what it is, medications used to inhibit the pathway and the importance of of the pyrimidine synthesis pathway in human health. In this lesson, I teach you guys what pyrimidines are, the...
Catalyst University
Internal Conversion and Photoprotection: Applications in Biochemistry
Internal Conversion and Photoprotection: Applications in Biochemistry
Next Animation Studio
New DNA structure found
Scientists have discovered a new type of DNA structure, according to research published in the journal Nature Chemistry. The Independent reports that the structure has been sighted previously, but this is the first time researchers have...
Science360
Chemist Candy Hwang - ScienceLives
University of Southern California chemistry graduate student Candy Hwang won second prize and the People's Choice Award in a December 2012 video contest sponsored by the National Science Foundation (NSF), "Creating the Future." Hwang’s...
Catalyst University
Nucleotide Metabolism | Complicated Conversion of CTP/UTP to Thymine
Nucleotide Metabolism | Complicated Conversion of CTP/UTP to Thymine
msvgo
Structure of DNA
This nugget describes historical aspect of discovery of nucleic acid, basic structure of polynucleotide chain, Watson model of DNA and types of DNA.
Getty Images
Nucleotide Triphosphates - Building Blocks for DNA
Loop animation of succession of letters that indicate the Nucleotide Triphosphates the building blocks of DNA: Adenosine Triphosphate (ATP), Guanosine Triphosphate (GTP), Cytidine Triphosphate (CTP), Uridine Triphosphate (UTP).