A human genome accumulates approximately 64 mutations per generation. The video explains the four types of mutations in DNA and their importance—or lack of importance. It incorporates knowledge about protein synthesis and combines it...

Only about two percent of DNA codes for protein. The video walks through the process of protein synthesis. It breaks down both transcription and translation into multiple steps. 

It takes about 800 hours to replicate an average-sized human chromosome of single linear DNA. The video introduces the concept of DNA replication. It briefly explains the concepts of leading strands and lagging strands.

DNA carries the code for all living organisms, yet it is made up of only four building blocks. The video explains the structure of DNA down to the nucleotides. It provides the relationships between thymine, cytosine, adenine, and guanine.

Doctors sometimes order a karyotype, a picture of the chromosomes present in a single cell, in order to check for chromosomal abnormalities or rare diseases. The video explains the relationship among genes, chromosomes, and karyotypes....

 Explain the differences between DNA and RNA with a short video that includes information about the uracil versus thymine contrast and includes details about structural, functional, and bond discrepancies.

They say nothing in life is guaranteed except death and taxes. But, are taxes the only one sure thing? Pupils ponder the possibility of eternal life with the ageless examples of the mole rat and jellyfish. The narrator discusses why our...

Is all radiation harmful? The video's narrator interviews unsuspecting citizens to get their take on radiation sources and effects. The resource includes a breakdown of types of radiation and whether each type is capable of causing us harm.

How similar are the genomes of humans and chimps? The video discusses the complicated answer. It details a variety of differences from copying sections of the genome to small mutations. Then it explains how scientists determined the...

How do wild animals adapt to our urban expansion? An interesting video lesson describes different adaptation strategies of common species. The narrator includes a discussion of the changes in DNA.

Protein makes up the second-most abundant substance in the human body. The video explains the relationship between proteins and amino acids. It also lists the many functions of proteins in humans, animals, and plants.

Natural polymers each display their own unique structure and function. The short video lists the many applications of these polymers in humans, animals, plants, and more. From DNA to erasers, natural polymers enhance our lives.

When did life start on Earth? An enchanting video introduces some of the earliest times in the history of our planet. From rocks that no longer exist to the development of oceans and plate tectonics, The resource details the first couple...

Potatoes have more chromosomes than humans. A video explores the number of chromosomes various species have and the theories of the differences. It discusses the process of how genes combine as well as the processes of making extra copies.

Why do humans have so many genes that don't do anything? A video explains the Human Genome Project. It starts with what we thought it would do and ends with what it actually did. There were surprises and it has led to entirely new fields...

If identical twins had children with identical twins, would their children also be twins? The short answer is no, and the video explains why by relating the DNA of siblings to that of identical twins and the long-term implications of the...

In 2004, scientists found skeletons of a hobbit-like creature in Asia. This discovery is just one more part of the large human evolution puzzle. Scientists continue to build the puzzle with missing pieces and confusing information. This...

Some experiments have changed society's general world view, and this video highlights three of them. Questionable methodologies used in these experiments still raise debate, but the results defined biology and led us to where we are today.

Do you know what Sonic hedgehog is? Yes, it is a video game character, but it is also a protein that controls how your fingers develop. A paleontologist discusses the development of the arm and hand, beginning with fish and ending...

Our bodies can produce up to three liters of sweat per hour. But why do we sweat and exactly how does the biological process work? This video covers a few topics of science about being outside in the heat, explains ways to cool down...

The chances of a DNA mismatch occurring in DNA fingerprinting is one in a billion. Here learners see how using the differences in people's DNA, specifically Short Tandem Repeats (STRs), cutting them out using restriction enzymes, and...

Why do some people look young at age 60 while others look old at age 30? Elizabeth Blackburn discovered it is all related to telomeres and telomerase. Her discoveries have not only led to a better understanding of aging, but also to a...

An informative video explains viruses' genetic information and their protein coats as well as the envelopes that allow entry into host cells. 

An informative video begins by showing scholars how chromosomes are like encyclopedias. The instructor then explains and differentiates genome, chromosome, sister chromatids, nucleosomes, DNA, genes, and base pairs.