Light Pollution 101
Environment
2:44

Light Pollution 101

Ever since the light bulb's invention 150 years ago, artificial light has illuminated homes, streets, and skies -- but with some unintended consequences. Learn about the major types of light pollution, their impact on human health, and how the worldwide glow from artificial light may continue to grow.
Wolves 101
Animals
3:53

Wolves 101

With their piercing looks and spine-tingling howls, wolves inspire both adoration and controversy around the world. Find out how many wolf species exist, the characteristics that make each wolf's howl unique, and how the wolf population in the continental United States nearly became extinct.
Cave Art 101
History
3:03

Cave Art 101

From human hands to now-extinct animals, cave art gives us a glimpse into prehistoric life. Who created cave art, and what was its initial purpose? Explore the paintings of Chauvet-Pont d'Arc and Lascaux Grotto, and learn what prehistoric art can tell us about our world thousands of years ago.
Sea Turtles 101

Sea Turtles 101

Sea turtles have existed since the time of the dinosaurs. Find out about the ancient mariners' oldest known ancestor, how certain adaptations may have helped the reptiles survive, and the conservation efforts being made to save them.
Tigers 101

Tigers 101

Tigers are icons of beauty, power, and the importance of conservation. Learn five surprising facts about these striped felines, including how large the cats can be, an adaptation some developed for swimming, and how much wild tiger populations have declined. February 2019 is National Geographic's Big Cat Month: found out more about it here: www.savearchie.com  
Climate 101: Glaciers
Environment
3:50

Climate 101: Glaciers

Glaciers appear on almost every continent. However, they are rapidly melting due to the warming climate. Find out how glaciers form and other interesting facts about glaciers.
Solar System 101
3:55

Solar System 101

How many planets are in the solar system? How did it form in the Milky Way galaxy? Learn facts about the solar system's genesis, plus its planets, moons, and asteroids.
Jupiter 101: everything you wanted to know about the giant planet
3:01

Jupiter 101: everything you wanted to know about the giant planet

Jupiter is the oldest and most massive world in the solar system. Learn about the ancient planet's origin story, its Great Red Spot and oceanic moons, and how this ancient world influenced the formation of the solar system's other planets.
Pregnancy 101: everything you wanted to know, from conception to delivery

Pregnancy 101: everything you wanted to know, from conception to delivery

While customs and traditions involving pregnancy vary worldwide, the developmental process is essentially universal. Find out about the science of pregnancy from conception, through the three trimesters, and to labour and delivery.
Alcohol 101

Alcohol 101

The earliest known alcoholic beverage dates back to about 9,000 years ago. Find out which civilisations produced the first beers, wines, and spirits; the chemistry behind alcohol's mind-altering effects; and the surprising ways alcohol has influenced culture.
Extremophiles 101: the most resilient creatures on the planet

Extremophiles 101: the most resilient creatures on the planet

Extremophiles are organisms that can live in exceptionally harsh environments. Find out about the different types of extremophiles, their adaptations, where they live, and which one is considered to be the most resilient creature on the planet.

AIDS 101

About 37 million people around the world are currently living with AIDS. Learn how the human immunodeficiency virus (HIV) causes AIDS, where HIV may have originated, and how AIDS has become one of the worst pandemics in modern history.

Earth 101

Earth is the only planet known to maintain life. Find out the origins of our home planet and some of the key ingredients that help make this blue speck in space a unique global ecosystem.
Science

Helium 101

What is helium used for, and where does it come from? Learn facts about this noble gas, including how it causes balloons to float, its surprising uses in medicine and exploration, and how its limited availability on Earth could affect science and industry.

Supervolcanoes 101

They are amongst the most destructive forces on the planet – and while evidence exists of colossal, climate-altering eruptions in ancient history, the most recent super volcano eruption was in 1812 in Indonesia, and became known as 'The Year Without a Summer.'  Despite this, millions live within the sway of active supervolcanoes around the world today. Here's what we know about them.   
Titanic 101

Titanic 101

From an iceberg to human error, a confluence of factors led to the sinking of the "unsinkable" RMS Titanic. Learn about the series of events leading up to the disaster, the laws that followed, and the discovery of the wreckage nearly 75 years later.
Plastics 101

Plastics 101

Once a completely natural product, much of today's plastic is man-made and largely dependent upon fossil fuels. From polymers to nurdles, learn how plastic is created and what we can do to slow the lasting repercussions this material will have on both our planet and our lives.
Ancient Egypt 101

Ancient Egypt 101

The Ancient Egyptian civilization, famous for its pyramids, pharaohs, mummies, and tombs, flourished for thousands of years. But what was its lasting impact? Learn how Ancient Egypt contributed to society with its many cultural developments, particularly in language and mathematics.