In this video Paul Andersen describes genetics at the chromosomal level. He begins with a simple monohybrid cross as viewed through Mendelian genetics and then shows how genes are distributed through meiosis to possible gametes. This...

Male birds have the largest genital diversity of any class of animals because their sex chromosomes make it easy to pass male-helping mutations down the...

In this video Paul Andersen explains how scientific theories are created and modified over time. He starts by discussing the theory of natural selection as a model for the creation and modification of theories. He gives examples of...

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...

Blood banks need a constant supply of donors to maintain their supply, but some enzymes that are already in our bodies might be able to help!

In the search for longevity, scientists have found the longest-lived vertebrates on the planet in the arctic. Meanwhile, in warmer climes, the FDA approves a new method for combating disease-carrying mosquitoes.

Ever wonder where your favorite Thanksgiving foods come from? Well the truth may be closer to home than you think.

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...

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...

Paul Andersen explains simple Mendelian genetics. He begins with a brief introduction of Gregor Mendel and his laws of segregation and independent assortment. He then presents a number of simple genetics problems along with their...

New ReviewThis captivating program uses colorful animations to illustrate the process by which genetic information is transferred by genes. Special attention is placed on how different alleles enable different traits to be expressed. The Law of...

Since our first episode, you've begged us to cover Genetically Modified Organisms, or GMOs. Honestly, I often can't tell if those of you who are asking us to do this expect us to tell you're they're awesome of the worst thing to happen...

Eyelash vipers were thought to be one widely distributed species that came in a lot of colors, but they’re actually more like five to nine different snakes that each come in a rainbow of colors...even within the same litter... so, how...

There are a lot of different social structures in the animal world, but how did animals go from solitary to social, let alone from basic interactions to elaborate societies? The small carpenter bee may be just the beast to tackle this...

This video describes various ways that species change over time such as variation, binary fission, adaption, mutation, envirvonmental changes, and extinction.

This video describes the difference between incomplete and codominance of genetics.

2 min video explaining chromosomes for 7th grade science

How does coronavirus work? What makes the coronavirus so good at what it does? Why is Covid so deadly? How to protect yourself from SARS-CoV-2.The growth of infections, and the percentage of infected people that...

Science Kids Bringing Back Extinct Animals - Should We Just Because We Can

The video explores the concept of gene splicing and creating hybrid animals through genetic engineering techniques like CRISPR technology. It discusses...

Science Kids Bringing Back Extinct Animals - Should We Just Because We Can

This video provides an engaging and informative overview of genetics and gene splicing. It explains how genes determine our physical characteristics, the...

What Causes Baldness And Hair Loss?

Howcast - GFP is an acronym for Green Fluorescent Protein. Scientists won the Nobel Prize in Chemistry for finding this glowing protein in a jellyfish species. Learn the basics about GFP’s use in observing cells and genes.

Howcast - Learn everything you need to know about breast cancer genes in this Howcast video with expert Marisa Weiss, MD.

Howcast - Learn if schizophrenia is hereditary from psychiatrist Jeanie Tse in this Howcast video.