SciShow
Can You Really Die of Old Age?
Even though age can contribute to someone’s death, it almost definitely won’t be the direct cause.
SciShow
This Sturgeon-Paddlefish Hybrid Shouldn't Exist | SciShow News
Chromosome shenanigans have resulted in some unexpected hybrid fishes. Also, this record-breaking mouse lives at a ridiculous altitude.
SciShow
4 Ways Humans Are Still Evolving
When we think about evolution, we typically think about big changes that happened long ago, but we humans are still evolving!
SciShow
The Chromosomes Hiding in Specks of Lint
Tiny versions of chromosomes show up in things like birds, reptiles, and amphibians. These mysterious lint-like flecks may be the building blocks for our entire genomes.
PBS
The Two People We're All Related To
Due to an odd quirk of genetics and some unique evolutionary circumstances, two humans who lived at different times in the distant past managed to pass on a very small fraction of their genomes to you. And to me. To all of us.
SciShow
Chimera Cats and Your Mom
Hank talks about chimeras, and why Venus the cat probably isn't one - but your mom might be
TED Talks
TED: The way we think about biological sex is wrong | Emily Quinn
* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. Did you know that almost 150 million people worldwide are born intersex -- with biology that doesn't fit the...
SciShow
Tank to Table: How Scientists Make Bigger, Tastier Seafood
Humans have been eating seafood for thousands of years, but some animals don’t grow very fast, and others taste pretty gross for at least part of the year. To solve these problems, scientists sometimes turn to genetics. If you eat...
Bozeman Science
Diploid vs. Haploid Cells
In this video Paul Andersen explains the difference between diploid and haploid cells. He starts with a brief description of the central dogma and how genes code for proteins. He then uses the phenotype of red hair to explain that humans...
Amoeba Sisters
Alleles and Genes
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...
SciShow
Killing Mosquitoes With a Flip of a Gene
Eliminating certain species of mosquitoes could make summertime more enjoyable and cut down on the transmission of certain diseases. And scientists are looking into doing this by manipulating a single gene!
MinuteEarth
Why Can't Mules Have Babies?
Hybrid animals are infertile because of the way their sex cells form. But sometimes, life finds a way. FYI: We try to leave jargon out of our videos, but if you want to learn more about this topic, here are some handy keywords to get...
SciShow
What Fruit Flies Taught Us About Human Biology
For creatures that look nothing like us, fruit flies have been able to teach us a lot about human biology as we’ve studied them over the past century.
Amoeba Sisters
Mitosis vs. Meiosis: Side by Side Comparison
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...
Amoeba Sisters
Asexual and Sexual Reproduction
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...
Amoeba Sisters
Mega Genetics Review
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,...
Amoeba Sisters
Meiosis (Updated)
Updated meiosis video. Join the Amoeba Sisters as they explore the meiosis stages with vocabulary including chromosomes, centromeres, centrioles, spindle fibers, and crossing over. Major Points in Table of Contents: Intro 00:00 Mitosis...
Bozeman Science
LS3A Inheritance of Traits
In this video Paul Andersen explains the importance of DNA is organisms. DNA contains the blueprint for each organisms. The DNA codes for the mRNA which creates proteins. The DNA also is the unit of inheritance which is passed from...
SciShow
MouthPeeing and 5 Other Extreme Turtle Traits
From peeing out of their mouths to being capable of living in icy water, turtles have evolved remarkable, but a little bit bizarre traits to survive.
SciShow
There Are More Than Two Human Sexes
In high school biology, we learn that humans are born with either XX or XY chromosomes, and that a person’s internal and external sex organs match those chromosomes. It turns out, however, that sex isn’t that straightforward.
SciShow
Elizabeth Blackburn: Great Minds
Hank brings us the story of Elizabeth Blackburn, the Nobel Prize-winning Australian woman who discovered telomeres and telomerase, and helped scientists begin to understand the process of aging at a genetic level.
SciShow
When Two Species Mix
We often think of categories as fixed, with a species being a species no matter what. The thing is, life doesn’t have to follow our rules.
SciShow
The Girl Who Never Grew Up
The human body generally grows in a predictable pattern, but in one rare case, one American girl essentially remained a toddler her entire life.
SciShow
Why Are Mules Sterile?
Horse plus donkey — it seems like an unlikely combination. I mean, they're different species! And yet, when they get together, they can produce a mule or the lesser-known hinny. Either way, those offspring usually can't become parents...