If you go to the store in search of milk, there are a dizzying number of products to choose from. There's dairy milk, but also plant-based products such as almond, soy, and oat milks. So which milk is actually best for you? And which...

As the population grows, the demand for food is only going to increase, but luckily, scientists are already working to solve this problem.

You might already know that proteins are a fundamental part of your diet, but they're much more than that.

Paul Andersen describes the major mutations found in the living world. He starts with an analogy comparing the information in DNA with the information in a recipe. Changes in the DNA can result in changes to the protein, like changes...

Spit is critical for our health. Actually.

When you think of allergies, the first thing that comes to mind is probably seasonal allergies, but there are a handful of strange allergies can be much harder to avoid than pollens.

Updated Mitosis Video. The Amoeba Sisters walk you through the reason for mitosis with mnemonics for prophase, metaphase, anaphase, and telophase. Table of Contents: 00:00 Intro 0:44 Why is Mitosis Important? 2:00 Why Don't You Want...

People like to say all kinds of things about protein – like, you need to eat lots of it to build muscle and lose weight. The truth is, the science of protein and how your body uses it is much more complicated than that.

What's both edible, and capable of sending you an email to let you know there's explosives nearby? Spinach! Well, spinach with some nanotechnology embedded within it. Learn how Popeye's favorite veggie is involved in the field of plant...

Hank is tired of zombies in popular culture, and while acknowledging that dead people are scary (especially if they start moving around), he brings us some information on prions - misfolded proteins that are responsible for destroying...

Dive into the world of aquaculture and see how restorative ocean farming could play a vital role in helping our coastal communities, our oceans and our climate. -- For billions of people, seafood provides a significant source of...

Paul Andersen explains the structure and importance of proteins. He describes how proteins are created from amino acids connected by dehydration synthesis. He shows the importance of chemical properties in the R-groups of individual...

When life emerged on Earth about 4 billion years ago, the earliest microbes had a set of basic genes that succeeded in keeping them alive. In the age of humans and other large organisms, there are a lot more genes to go around. Where did...

Mr. Andersen explains the Central Dogma of biology. He shows how DNA is transcribed to form mRNA and how mRNA is translated into a protein.

Metabolism is a complex process that has a lot more going on than personal trainers and commercials might have you believe. Today we are exploring some of its key parts, including vital nutrients -- such as water, vitamins,...

Squeaks is getting ready to head back to school and he couldn’t be more excited! To make sure he’s all set for the first day, he and Jessi are watching some videos so he goes in confident and prepared!

Paul Andersen explains the importance of blood types in blood transfusions. He starts with a brief discussion of blood antigens and antibodies. He describes how the ABO differs from the Rh blood type. He shows you how to solve simple...

Proteins, and by extension our bodies, depend on the fact that atoms are arranged, spaced, and linked to each other in specific ways. And thanks to June Sutor, we have a better understanding of how those atoms come together and interact...

There are genetic mutations in the population today that can grant people some seemingly superhuman abilities.

Paul Andersen explains the importance of genetic variation within a population. He begins with a discussion of the devil facial tumor that is a form of cancer transferred between Tasmanian devils. He then explains how a decrease in...

Join Jessi and Squeaks as they prepare a special meal for friends. You’ll learn some fun food science facts, like the difference between fruits and veggies and how your tongue works so you can taste food!

Paul Andersen explains how genes are regulated in both prokaryotes and eukaryotes. He begins with a description of the lac and trp operon and how they are used by bacteria in both positive and negative response. He also explains the...

Paul Andersen explains how the central dogma of biology explains life on our planet. He starts with a brief discussion of common characteristics of all life. He then explains how DNA is used to make proteins which in turn make you. He...

Is there a way to detect diseases like cancer and Alzheimer's before they advance too far? Doctors are using injected radioactive drugs that circulate through the body and act as a beacon for PET scanners. These diagnostic tools can...