If you watched a lot of cartoons as a kid, chances are you picked up some common animal stereotypes like "cats love milk!" or "bears can't get enough of that sweet, sweet honey!" What if we told you that everything cartoons taught you is...

It’s Valentine’s Day, and Jessi and Squeaks got Valentines from their awesome animal friends all over the world! Hang out with them as they read some silly Valentine poems and learn about the animals that sent them!

It's finally spring where Jessi and Squeaks live! Join them as they take a look back at some of their favorite springtime subjects like why it rains, how plants grow, and all the amazing bugs you can find in the spring!

From cave drawings to the Sunday paper, artists have been visualizing ideas -- cartoons -- for centuries. New Yorker cartoonist Liza Donnelly walks us through the many stages every cartoon goes through, starting with an idea and turning...

The word "theory" is used very differently in casual everyday life vs. in science. In science, the word "theory" means so much more! Learn about what a scientific theory is with The Amoeba Sisters and discover why a scientific theory...

Explore cell signaling with the Amoeba Sisters! This introductory video describes vocabulary such as ligand and receptor. It includes the stages of cell signaling (reception, transduction, and response) and different types of signaling...

Explore the Hardy-Weinberg Equilibrium equations with The Amoeba Sisters! Learn why this equation can be useful, its five assumptions, and how to calculate genotype and allele frequencies with p and q values! This video does assume the...

Join the Amoeba Sisters as they discuss the terms "gene" and "allele" in context of a gene involved in PTC (phenylthiocarbamide) taste sensitivity. Note: as mentioned throughout video, the ability to taste PTC may be more complex than a...

After a polypeptide is produced in protein synthesis, it's not necessarily a functional protein yet! Explore protein folding that occurs within levels of protein structure with the Amoeba Sisters! Primary, secondary, tertiary, and...

Explore the lytic and lysogenic viral replication cycles with the Amoeba Sisters! This video also discusses virus structures and why a host is critical for viral reproduction. Expand details for table of contents and further reading...

Explore the sodium potassium pump (Na+/K+ pump), with the Amoeba Sisters! This video talks about why this pump is needed and provides an overview of this type of active transport. Table of Contents: 00:00 Intro 0:48 Introducing the...

Join the Amoeba Sisters for a brief tour through the human respiratory system! This video will discuss why the respiratory system is so important and address major structures such as the pharynx, larynx, trachea, bronchi, alveoli, and...

After learning about mitosis and meiosis from our individual videos, explore the stages side by side in this split screen video by The Amoeba Sisters! Expand video details for table of contents. Vocabulary in this video includes...

Already watched the Amoeba Sisters first video on enzymes and ready to explore a little more? In this video, the Amoeba Sisters cover a few examples of enzymes in the human body before emphasizing that enzymes are found in all the...

We chose not to give a numerical value for how many characteristics of life there are, because we do not want to imply that what we are listing must be a specific order, or that it cannot be expanded upon or include exceptions....

Explore the process of aerobic cellular respiration and why ATP production is so important in this updated cellular respiration video by The Amoeba Sisters! This video compares the cellular respiration equation to photosynthesis before...

Join the Amoeba Sisters as they compare and contrast asexual reproduction with sexual reproduction. Table of Contents: Intro 00:00 Asexual Reproduction 0:59 Sexual Reproduction 2:21 Disadvantages and Advantages of Sexual Reproduction...

Explore the steps of transcription and translation in protein synthesis! This video explains several reasons why proteins are so important before explaining the roles of mRNA, rRNA, and tRNA in the steps of protein synthesis! Expand...

How to Read a Codon Chart

Jessi and Squeaks were supposed to go sledding today, but it's really cold outside! That won't stop them from having fun, though! Join them as they look back on some great experiments to do on a freezing cold day!

Join the Amoeba Sisters in their introduction to the circulatory system and follow the pathway of blood as it travels through the heart! This video explains the importance of blood, arteries, and veins, and it also introduces basic heart...

Ready to review how to do different types of Mendelian and Non-Mendelian Punnett square problems with The Amoeba Sisters? This video reviews one-trait / monohybrid crosses, two-trait / dihybrid crosses, incomplete dominance, codominance,...

Let the Amoeba Sisters introduce you to bacteria! This video explains bacterial structure, reproduction, and how not all bacteria are "bad!" Video also briefly mentions endospores, plasmids, and bacteria transformation. Table of...

Explore the basics of how antibiotics, antivirals, and vaccines work to help your immune system in the fight against pathogens! This Amoeba Sisters video also briefly introduces the lines of defense in the immune system and discusses how...