Extras
The Tech Behind Mail-In Voting
Due to the pandemic, millions are voting by mail in the 2020 presidential election.
The Tech Behind Mail-In Voting
Christian Cooper's Bird Yearbook Superlatives
What’s the most underrated bird? Most mysterious? Hear Chris Cooper’s opinion.
Christian Cooper's Bird Yearbook Superlatives
How Anosmia Could Affect Doctors’ Coronavirus Screenings
Many people have smell loss with COVID-19.
How Anosmia Could Affect Doctors’ Coronavirus Screenings
The Joys and Challenges of Birding While Black
A need for inclusion in outdoor spaces remains, Christian Cooper explains.
The Joys and Challenges of Birding While Black
Losing a Loved One to Early Onset Alzheimer's
See how Alzheimer's develops and spreads throughout the brain.
Losing a Loved One to Early Onset Alzheimer's
How Communities Can Adapt to Climate Change
For many, the concept of “adapting” to climate change feels like admitting defeat.
How Communities Can Adapt to Climate Change
Can Geoengineering “Undo” Climate Change?
There are ways to reverse some of the damage from our carbon dioxide emissions.
Can Geoengineering “Undo” Climate Change?
Cutting our Greenhouse Gas Emissions to Zero
Through “prevention,” humans can significantly cut greenhouse gas emissions.
Cutting our Greenhouse Gas Emissions to Zero
Three Solutions That Can Slow or Stop Climate Change
Preventing, “undoing,” and adapting are 3 ways to avoid the worst climate change impacts.
Three Solutions That Can Slow or Stop Climate Change
Scientists look to geoengineering and other methods to cool the planet.
Can We Cool the Planet? Promo
Spacecraft OSIRIS-REx attempts to grab a piece of an asteroid to bring it back to Earth.
Touching the Asteroid Promo
A to Z: How Writing Changed the World Promo
The creation of printing, the first information technology, drove empires and revolutions.
A to Z: How Writing Changed the World Promo
How Medieval Parchment is Made
Learn about the preparation and use of parchment paper in medieval Europe.
How Medieval Parchment is Made
Aboriginal Elder Sings Ancient Creation Song
In the Wardaman Creation Story, all the plants and animals of the world were once people.
Aboriginal Elder Sings Ancient Creation Song
How Egyptian Hieroglyphs Influenced Modern Alphabets
Learn why Egyptian hieroglyphs are hiding in modern alphabets—and how to find them.
How Egyptian Hieroglyphs Influenced Modern Alphabets
A to Z: The First Alphabet Preview
The birth of writing and the first alphabet were among the world’s most vital inventions.
A to Z: The First Alphabet Preview
Meet slime molds: the brainless blobs that can learn, make decisions, and navigate mazes.
Secret Mind of Slime Preview
The Great Australian Slime Mold Bakeoff
The purpose of this experiment was to see how Physarum regulates its nutritional needs.
The Great Australian Slime Mold Bakeoff
Brainless Slime Molds Navigate Mazes and Make Decisions
Can a slime mold find food placed at the far end of a labyrinth?
Brainless Slime Molds Navigate Mazes and Make Decisions
Living with Sickle Cell Anemia
Sickle Cell Anemia is caused by a single change in the DNA sequence.
Living with Sickle Cell Anemia
We can now edit the human genome with a tool called CRISPR. But how far should we go?
Human Nature Sneak Peek
We can now edit the human genome with a tool called CRISPR. But how far should we go?