PBS
The Genes We Lost Along the Way
Our DNA holds thousands of dead genes and we’ve only just begun to unravel their stories. But one thing is already clear: we’re not just defined by the genes that we’ve gained over the course of our evolution, but also by the genes that...
SciShow
Even Locusts Hate Plagues of Locusts
Plagues of locusts have been documented since ancient times, and they affect the food supply of one in ten people today. How can we stop them? Well, computer models of locusts swarms tell us every locust is scared to death of its neighbors.
SciShow
Keeping Bananas Apeelin'
Bananas! They’ve got a long trip from harvest to table, and a lot of science goes into keeping them delicious. This episode was produced in collaboration with and sponsored by Emerson.
SciShow
A Cancer Gene May Be More Friendly Than We Thought | SciShow News
Until now, researchers have assumed that healthy cells switch off the enzyme telomerase as a way to protect themselves from turning cancerous. But a new study suggests the enzyme may have a healthier role than we previously thought....
SciShow
How Do Pineapples Eat Us Back?
The pineapple. Sweet, juicy, and kind of painful. What is it about this tropical fruit that seems to bite us back?
SciShow
We Finally Know How Anesthesia Works
Even though doctors have been using general anesthesia for nearly 200 years, they haven’t really understood the details of how it temporarily shuts down your brain — until now.
SciShow
Lion's Mane Mushrooms Actually DO SOMETHING!
Turns out doing the crossword is only one way you can keep your head healthy because mushrooms can help your brain cells grow!
SciShow
What Happens to My Wool Sweater in the Washer?
Be careful with your wool. Unless you want a nice piece of felt with some holes in it.
SciShow
Do Bacterial Cells Store Memories?
Some bacteria seem to be using a type of memory to help them alter future behaviors, based on their past experiences.
SciShow
Can Your Cat Change Color?
Brown cats are something of a rarity, but you may have something pretty close.
SciShow
What Happens When a Venomous Snake Bites Itself?
Venomous snakes produce some of the world’s deadliest substances, so they have to be pretty careful about how they use it. But what happens if they accidentally inject themselves with their own harmful cocktail?
SciShow
We're One Step Closer to Understanding Aging
Scientists have had a variety of hypotheses about how chemical stress can affect DNA to cause aging, but a new study has just shown the process in action. Hosted by: Hank Green
SciShow
7 Organisms That Can Clean Toxic Waste
Toxic waste, by definition, is harmful to living things, but there are actually a bunch of plants, animals, fungi, and microbes that can help us clean it up! Hosted by: Olivia Gordon
SciShow
More on Mating & Monogamy
Hank clarifies the misconceptions about Chagus disease, discusses a couple of interesting celestial events - one that happened in the past and one that will happen in the distant future, and sheds more light on the benefits of sexual...
SciShow
Some Mammals Can Just… Pause Pregnancy
We generally think of pregnancy as a continuous process, but scientists have recently discovered mechanisms that allow for certain mammals to put the development of a fetus on pause.
SciShow
Why Are Flamingos Pink?
What makes flamingos go from grey to pink? And can the same thing happen in humans? Quick Questions explains! Hosted by: Michael Aranda
SciShow
More on Mating & Monogamy
Hank clarifies the misconceptions about Chagus disease, discusses a couple of interesting celestial events - one that happened in the past and one that will happen in the distant future, and sheds more light on the benefits of sexual...
SciShow
Sneaky Ways Chemists Are Making Our World Safer
The path that products take to get onto store shelves doesn’t always leave the best impact on the environment. But with green chemistry, chemists have found ways to make the production of some items safer for both people and the planet.
SciShow
The Delightful Mutation Behind Siamese Cats
It's easy to assume a cat's coat pattern is based exclusively on genetics, but that isn't entirely the case for Siamese cats. Their unique coloration comes from a combination of genetics, a fragile enzyme, and losing heat from little...
Bozeman Science
AP Biology Labs - part 2
Paul Andersen explains the final 6 of 13 AP Biology Labs. The following topics are included: Transformation, Restriction Analysis of DNA, Energy Dynamics, Transpiration, Animal Behavior, and Enzyme Activity.
SciShow
6 Ways Animals Prevent Epidemics
Humans aren’t the only ones who have to worry about epidemics: meet six other animals who take their own precautions to avoid getting sick! Chapters pathogens 0:40 vectors 1:15 VECTOR AVOIDANCE: BLUEBIRDS 2:19 social immunity 3:35...
Crash Course
Medicinal Chemistry and Penicillin Total Synthesis: Crash Course Organic Chemistry
These days, we don't have to worry too much about meeting an early demise from ulcers, breaks in the stomach lining that could be fatal back in the early 1900s. This is because we have medicines to treat them, like proton pump...
SciShow
Why Don't We Have Better and Faster COVID-19 Tests? | SciShow News
The next wave of COVID tests take advantage of some really cool molecular biology. They can be run by hospitals and doctors on-site, and many turn around results in an hour or less!