Be Smart
What Would Happen if ONE MILLION Species Went Extinct?
A massive new study has just been released showing that human activities are threatening Earth’s other life forms in some very bad ways. One million species may be at risk of extinction. Just let that sink in. Isn’t the Anthropocene...
TED-Ed
TED-Ed: Why did Megalodon go extinct? | Jack Cooper and Catalina Pimiento
20 million years ago, the ocean housed a creature so colossal that its stomach could reach volumes of almost 10,000 liters— big enough to fit an entire orca. It was the megalodon, the biggest shark to ever live. So, what was it like when...
MinuteEarth
Should More Species Be Extinct?
Watch these amazing rewilding videos from our friends at Planet Wild, in which they’re saving Europe’s cutest bird from extinction or resurrecting a dying forest.
SciShow
The First Extinction of 2019 Has Already Happened | SciShow News
On New Year's day, we said goodbye to George the Snail, marking the first extinction of 2019, and the way things are looking, it won't be the last.
SciShow
eDNA: How Scientists See Hidden Animals
How do you track turtles that spend most of their time in muddy water and also look like rocks? It turns out, scientists have found a way to track such hidden animals using eDNA.
SciShow
7 Species That Were Saved From Extinction
Humans are pretty good at destroying things. Like habitats, animal populations... you catch my drift. But, there have been a few species that humans have helped bring back from the brink of extinction.
SciShow
The Cat That (Maybe) Ate an Entire Species
Many cat owners are familiar with the "gifts" their feline friends are fond of giving, but if left unchecked, this behavior can be devastating.
SciShow
4 Mysterious Extinctions from Earth’s History
Nowadays, we're pretty confident about how the dinosaurs died out, but there are still other extinctions throughout Earth's history, some big, some small, that remain unsolved.
SciShow
It Seems like Trees Caused a Mass Extinction
When it comes to mass extinctions, you probably imagine giant volcanic eruptions or asteroids raining fire from the sky, but sometimes these events can have some unexpected causes. Hosted by: Michael Aranda
SciShow
Is Coffee Disappearing... or Will It Just Taste Different?
Many of us rely on a morning cup of coffee, or several morning cups of coffee, to get us going. But climate change has the potential to shift not only where and how we grow coffee, but whether it can be grown at all. Hosted by: Hank Green
SciShow
When The Universe Will End
Hank serves up a buffet of news items that includes an approximate date for the end of everything, scientific proof that when it comes to sex bigger IS better, and a look behind how the London Olympics are going green. Bon appetit!
TED-Ed
TED-Ed: Can zoos actually save species from extinction? | Nigel Rothfels
For thousands of years, native Takhi horses roamed the steppes of Central Asia. But by the late 1960s, their extinction seemed inevitable. To prevent this, scientists and zoos started a breeding program and soon began releasing new...
TED-Ed
TED-Ed: How does this all-female species reproduce? | Susan Freitas and Darren Parker
In 2021, workers at a Sardinian aquarium were stunned by the birth of a smooth-hound shark. What was shocking was that, for the last decade, the shark's mother had been living only with other females. So, how was this birth possible? And...
PBS
2 out of 3 North American bird species face extinction. Here’s how we can save them
As the climate crisis worsens, so does pressure on wildlife. The number of birds in North America has declined by 3 billion in the last 50 years. Brooke Bateman, director of climate science at the National Audubon Society, joins Ali...
TED Talks
TED: The surprising climate benefits of sharing your stuff | Tessa Clarke
There's something simple we can all do to help the planet -- and it's probably not what you think. With one-third of all the food we produce globally each year being thrown away, entrepreneur Tessa Clarke believes that sharing more and...
PBS
Trees across the U.S. face dire threats, new report shows
A new report out this week warns that at least 1 in 9 tree species in the U.S. are at risk of extinction. Trees face a host of threats including invasive species, deadly disease and climate change. The data comes as part of the most...
Bozeman Science
Unit 2 Review - Speciation
Paul Andersen reviews the major concepts within the second unit of the new AP Biology framework. He starts by describing how life is organized into three domains. He explains how the history of life on the planet is characterized by mass...
SciShow
4 Mysterious Extinctions from Earth’s History
Nowadays, we're pretty confident about how the dinosaurs died out, but there are still other extinctions throughout Earth's history, some big, some small, that remain unsolved.
SciShow
When The Universe Will End
Hank serves up a buffet of news items that includes an approximate date for the end of everything, scientific proof that when it comes to sex bigger IS better, and a look behind how the London Olympics are going green. Bon appetit!
SciShow
How Worried Should We Be About the Bees?
You’ve probably heard about how the extinction of honeybees will lead to some sort of bee-pocalypse doomsday scenario for humanity. But what would actually happen if all the honeybees went extinct?
TED-Ed
TED-Ed: Disappearing frogs - Kerry M. Kriger
Frogs (and amphibians in general) are in danger -- worldwide, nearly one-third of the world's amphibian species are on the verge of extinction. And yet, frogs contribute to our well-being in many important ways. Kerry M. Kriger describes...
TED Talks
TED: How to win at evolution and survive a mass extinction | Lauren Sallan
Congratulations! By being here, alive, you are one of history's winners -- the culmination of a success story four billion years in the making. The other 99 percent of species who have ever lived on earth are dead -- killed by fire,...
SciShow
The Beginning of the End of North Atlantic Right Whales? | SciShow News
Scientists say that we might be looking at the first extinction caused by whaling, and on an entirely different note, a discovery involving bed bugs and STIs.
SciShow
Why Billions of Passenger Pigeons Died in Under a Century
How could the most abundant bird in North America go extinct so quickly? Short answer: us.