TED Talks
TED: The science of cells that never get old | elizabeth Blackburn
What makes our bodies age ... our skin wrinkle, our hair turn white, our immune systems weaken? Biologist elizabeth Blackburn shares a Nobel Prize for her work finding out the answer, with the discovery of telomerase: an enzyme that...
TED Talks
TED: The ethical dilemma of designer babies | Paul Knoepfler
Creating genetically modified people is no longer a science fiction fantasy; it's a likely future scenario. Biologist Paul Knoepfler estimates that within fifteen years, scientists could use the gene editing technology CRISPR to make...
Bozeman Science
Transcription and Translation
Paul Andersen explains the central dogma of biology. He explains how genes in the DNA are converted to mRNA through the process of transcription. He then explains how ribosomes use this message to convert the mRNA to a functioning...
TED-Ed
TED-Ed: You could have a secret twin (but not the way you think) | Kayla Mandel Sheets
While searching for a kidney donor, Karen Keegan stumbled upon a mystery. After undergoing genetic testing, it turned out that some of her cells had a completely different set of genes from the others. And this second set of genes...
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...
Crash Course
Old & Odd: Archaea, Bacteria & Protists - CrashCourse Biology
Hank veers away from human anatomy to teach us about the (mostly) single-celled organisms that make up two of the three taxonomic domains of life, and one of the four kingdoms: Archaea, Bacteria, and Protists. They are by far the most...
Bozeman Science
DNA and RNA - Part 2
Paul Andersen continues his description of DNA and RNA. He begins with the structure of DNA and RNA and moves into the process of DNA Replication. He also describes the central dogma of biology explaining how DNA is transcribed to mRNA...
Crash Course
Eukaryopolis - The City of Animal Cells: Crash Course Biology
Hank tells us about the city of Eukaryopolis - the animal cell that is responsible for all the cool things that happen in our bodies.
The Daily Conversation
Human-Animal Chimeras, The Future of Medicine?
New ReviewAn ethically questionable new genetic technique attempts to grow human organs inside of pigs.
Curated Video
The Nucleus
New Review2 minute video describing a cell nucleus - for middle school science
Curated Video
DNA Structure
New ReviewThis video outlines how DNA is structured and coded for genetics.
Curated Video
How to Obtain a Car's Vehicle Identification Number (VIN)
Howcast - A car's Vehicle Identification Number is the car equivalent of human DNA -- it uniquely identifies it. Here are some places to look for your car's VIN.
Curated Video
See How Geneticists Determine the Gender of a Newly-Hatched Condor Chick
See the process by which geneticists extract DNA from a blood sample.
Curated Video
New study solves mystery of Christopher Columbus’ origins and resting place
A new scientific study reveals the final resting place of the navigator and colonizer. The mystery of his origins and resting place will be detailed in a forthcoming documentary, 'Columbus’s DNA: The True Ancestry' - out this weekend.
Curated Video
Mismatch Repair of DNA
Mismatch repair (MMR) is a DNA repair mechanism that corrects base-pairing errors and small insertions or deletions that escape proofreading during DNA replication. A protein complex identifies the mismatch, excises a section of the...
PBS
She isn't African enough?! DNA Ancestry tests feat. It's Okay To Be Smart
Ancestry and DNA testing is one of the fastest growing consumer markets. Over 26 million people have access to their DNA profiles, but understanding these profiles is complicated -- especially if you're a descendant of enslaved people....
Curated Video
What is a nucleotide?
What is a nucleotide? What is a nucleobase? What is the function of a nucleotide? Nucleotides essentially are the building blocks of DNA and RNA.
Curated Video
These are the 4 main types of carbon-based molecules necessary for life
There are 4 main types of carbon-based molecules important to life. They are the building blocks for every living organism on this planet. In this video, I will give you a quick introduction to each type with some fun examples.
Curated Video
This is how a body is identified in a crime scene
Forensic scientists use different methods to identify a body at a crime scene. This subfield of forensic science is called body identification.
Curated Video
What are carbon-based molecules
Carbon-based molecules are the basis of life as we know it. Molecules like lipids, proteins, nucleic acids, and carbohydrates that make up all living things have one thing in common - carbon.
Curated Video
Why Scientists Want to Resurrect Extinct Species
From the wooly mammoth to the passenger pigeon, extinct species once maintained the balance of the earth’s delicate ecosystems. But human interference has resulted in dramatic loss of biodiversity. Can science restore what has been lost?...
Astrum
What's Preventing Us From Colonising the Solar System?
Evolution is slow. What if we get the power to take matters into our own hands?