PBS
These Creatures Were Darwin's Greatest Enemy
They may not look like much, but beneath that shell lies an evolutionary mystery - one that stumped the biggest names in natural history for over a hundred years.
PBS
The Island of the Last Surviving Mammoths
The Wrangel Island mammoths would end up being the final survivors of a once-widespread genus. In their final years, after having thrived in many parts of the world for millions of years, the very last mammoths that ever lived...
Bozeman Science
AP Biology Science Practice 1: Models and Representations
In this video Paul Andersen explains the importance of models and visual representations in an AP Biology class. Science practices are overarching skills and knowledge required to be successful in an AP Biology classroom. Models for each...
SciShow
Seasonal Genes & The Science of Fear
This week on SciShow News, we explore how our genes change with the seasons! Plus, it turns out that even flies get scared sometimes.
Bozeman Science
Cellular Variation
Paul Andersen explains how variation is created within a cell. He starts by showing how molecular variation can increase fitness at the local level. He explains how an additional chlorophyll molecule allows plants to absorb more light...
SciShow
This Hot Jupiter Is Leaking Metal! SciShow News
Astronomers have found a Hot Jupiter - WASP-121b - that is leaking metal, and put together a new 3D map of the Milky Way showing that our galaxy is actually a bit twisted!
SciShow
Why Can’t We Figure Out What Causes Chemo Brain?
Chemotherapy can make patients much more forgetful than normal, but pinning down the cause of and solution to this phenomenon is an ongoing process.
SciShow
Does a Bigger Brain Make You Smarter?
In some cartoons, the one with a bigger brain is often described as "smart," but is it true in real life?
TED Talks
Emma Teeling: The secret of the bat genome
In Western society, bats are often characterized as creepy, even evil. Zoologist Emma Teeling encourages us to rethink common attitudes toward bats, whose unique and fascinating biology gives us insight into our own genetic makeup.
Bozeman Science
LS1B - Growth and Development
Paul Andersen answers the following question: How do organisms grow and develop?
MinuteEarth
Dogs vs Cats: The Diversity Paradox
Different dogs look incredibly different - but that doesn't mean they are necessarily more diverse.
SciShow
What Causes Dimples?
Dimples! They're so cute, but surprisingly mysterious! What causes them naturally and how can we make them happen?
TED Talks
Milton Glaser: Using design to make ideas new
From the TED archives: The legendary graphic designer Milton Glaser dives deep into a new painting inspired by Piero della Francesca. From here, he muses on what makes a convincing poster, by breaking down an idea and making it new.
TED Talks
TED: Pay attention to penguins | Dee Boersma
Think of penguins as ocean sentinels, says Dee Boersma -- they're on the frontlines of sea change. Sharing stories of penguin life and culture, she suggests that we start listening to what penguins are telling us.
Bozeman Science
LS4B - Natural Selection
In this video Paul Andersen defines natural selection as differential reproductive success. He then explains how natural selection shapes organisms on our planet through variation and selection. A K-12 teaching progression is also included.
TED Talks
TED: How societies can grow old better | Jared Diamond
There's an irony behind the latest efforts to extend human life: It's no picnic to be an old person in a youth-oriented society. Older people can become isolated, lacking meaningful work and low on funds. In this intriguing talk, Jared...
TED-Ed
TED-ED: What's the difference between accuracy and precision? - Matt Anticole
When we measure things, most people are only worried about how accurate, or how close to the actual value, they are. Looking at the process of measurement more carefully, you will see that there is another important consideration:...
SciShow
SciShow Talk Show: Carl Zimmer & Genetics
Curious about genetics? Dig in a little deeper with this special SciShow Talk Show featuring science writer and 2016 Stephen Jay Gould prize winner Carl Zimmer talking about what he did after receiving himself on a hard drive.
Bozeman Science
Selection
Paul Andersen explains the importance of selection in biology. Artificial selection occurs when humans choose traits that will be selected for or against. This has created the variety of domesticated animals and crops. He then describes...
SciShow
We Probably Can't Save the Vaquita—But We Can Learn From Them
Save the Vaquita Day is the first Saturday after the 4th of July, and it serves as a reminder that preventing extinctions means acting early.
SciShow
The Science of the World's Most Colorful Corn
Don't be fooled! The yellow or white corn you see in the grocery store is only the tip of the rainbow-colored iceberg of corn coloration. And these more genetically diverse varieties of corn might just save our husks one day.
TED-Ed
TED-ED: The pleasure of poetic pattern - David Silverstein
Humans are creatures of rhythm and repetition. From our breath to our gait: rhythm is central to our experience, and often brings us pleasure. We can find pleasure in the rhythm of a song, or even the rows of an orchard. Of course, too...
Bozeman Science
The Reproductive System
Paul Andersen starts with a brief description of asexual and sexual reproduction. He explains how meiosis ensures variation in the next generation. He describes the important structures in the male and female reproductive system. He...
Bozeman Science
LS3B - Variation of Traits
In this video Paul Andersen explains how variation is created in a population over time. Variation in offspring is caused by genetic recombination, mutations and environmental effects. Parental DNA is recombined using the process of...