Leeches are bloodsucking parasites, and you wouldn't think they're great at protecting other species. Yet for some conservationists, these little vampires are one of the best tools available for conserving endangered and threatened...

Even when a species has officially gone extinct, there's sometimes still hope of saving it. Scientists keep insurance populations of endangered animals all over the world with the goal of one day reintroducing them to the wild. Hosted...

In this video Paul Andersen shows how increasing ocean temperatures causes coral polyps to release their symbiotic algae. This process of coral bleaching decreases the availability of energy for the coral and may eventually lead to coral...

There's a group trying to save the functionally extinct northern white rhino using in vitro fertilization. But the ethics around using assisted reproductive technologies to save endangered animals are far from simple.

Look, we've all heard the rumors that giant pandas are an evolutionary dead end. But we are here to set the record straight and show you that these adorable fluff balls are a lot tougher than they seem.

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...

You might not think of a sea creature as helpful in the prevention of climate change, but sperm whales have been doing their part to cool the planet by doing what most animals do best: pooping.

What's the awesomest place in the world? Scientists can think of at least 137, the newly released list of the most biologically important places on Earth. Hank explains how ecologists arrived at this list, and takes you on a tour of four...

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...

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...

Recent proof-of-concept studies showed that researchers were able to survey animals in an area simply by vacuuming up DNA in the air.

What's the awesomest place in the world? Scientists can think of at least 137, the newly released list of the most biologically important places on Earth. Hank explains how ecologists arrived at this list, and takes you on a tour of four...

Here's something to think about the next time you clean your windshield.

When’s the last time you thought about what your poop can do for you? If you think the answer is “not much,” do we have news for you!

We can see the effects of the climate crisis in many different ways here on land. But the oceans are also part of the interconnected, global system. So, here are a few ways that climate change affects our oceanic buddies.

While the Florida manatee is threatened by human activity in a myriad of ways, perhaps the most surprising among those threats is the closing of aging power plants.

Explore biomagnification which can happen when toxins become more highly concentrated when moving up through trophic levels in the food chain. Uncontrolled use of DDT is used in video as an example. Learn why bioaccumulation can occur in...

SciShow News starts the new year off with unusual animal news, including a crisis for the iconic monarch butterfly, and new research into what makes bowhead whales the longest-living mammals on Earth.

Should We Let Pandas Go Extinct?

If you: do laundry, are (or have been) pregnant, tidy up, shop for your household or do similar labor, then by GDP standards, you're unproductive. In this visionary talk, economist Marilyn Waring seeks to correct the failures of this...

Sometimes, a species has declined so dramatically that they require serious human intervention to ensure they don’t disappear forever. Here are six ways we’re using conservation and science to keep those species alive.... Chapters ...

This week on Crash Course Econ, Jacob and Adriene are talking about failure. Specifically, we're talking about market failures. When markets don't provide a good or service efficiently, that's a market failure. When markets fail, often...

In the savannahs of Kenya, two female northern white rhinos, Nájin and Fatu, munch contentedly on grass. They are the last two known northern white rhinos left on Earth. Their species is functionally extinct— without a male, they can't...

Hank shares news about the biggest animal in the history of ever -- blue whales -- and explains the lessons learned in a new study of human morality, using smartphones.