Is the Earth running out of clean water?

Author: Balsher Singh Sidhu
Source: TED-Ed
Date: December 2018
Despite water covering 71% of the planet's surface, more than half the world's population endures extreme water scarcity for at least one month a year. Current estimates predict that by 2040, up to 20 more countries could be experiencing water shortages. These statistics raise a startling question: ...

What really happens to the plastic you throw away?

Author: Emma Bryce
Source: TED-Ed
Date: April 2015
We've all been told that we should recycle plastic bottles and containers. But what actually happens to the plastic if we just throw it away? Emma Bryce traces the life cycles of three different plastic bottles, shedding light on the dangers these disposables present to our world. [Directed by Sharo...

Why Do Whales Sing?

Author: Stephanie Sardelis
Source: TED-Ed
Date: November 2016
Communicating underwater is challenging. Light and odors don't travel well, but sound moves about four times faster in water than in air — which means marine mammals often use sounds to communicate. The most famous of these underwater vocalizations is undoubtedly the whale song. Stephanie Sardelis...

Inside the Killer Whale Matriarchy

Author: Darren Croft
Source: TED-Ed
Date: December 2018
Pods of killer whales inhabit the waters of every major ocean on Earth. Each family is able to survive thanks mainly to one member, its most knowledgeable hunter: the grandmother. These matriarchs can live 80 years or more and their expertise can mean the difference between life and death for their ...

The Survival of the Sea Turtle

Author: Scott Gass
Source: TED-Ed
Date: July 2012
Watch the miraculous journey of infant sea turtles as these tiny animals run the gauntlet of predators and harsh conditions. Then in numbers see how human behavior has made their tough lives even more challenging. [Lesson by Scott Gass, directed by Johan Sonestedt and Veronica Wallenberg, narrated b...

What Would Happen if Every Human Suddenly Disappeared?

Author: Dan Kwartler
Source: TED-Ed
Date: September 2018
Human beings are everywhere. With settlements on every continent, we can be found in the most isolated corners of Earth’s jungles, oceans, and tundras. Our impact is so profound, most scientists believe humanity has left a permanent mark on Earth’s geological record. So what would happen ...

Is the Weather Actually Becoming More Extreme?

Author: R.Saravan
Source: TED-Ed
Date: August 2020
From 2016 to 2019, the world saw record-breaking heat waves, rampant wildfires, and the longest run of category 5 tropical cyclones on record. The number of extreme weather events has been increasing for the last 40 years, and current predictions suggest that trend will continue. So, is the increase...

Curious Kids: what are cells made out of?

Author: Georgia Atkin-Smith,  Ivan Poon
Date: September 16, 2020
I know veins are made out of cells but what are cells made out of? It’s very tricky to answer that — Bea, 4 years old That is a great question, Bea! The human body is just like a big puzzle, but with billions of tiny pieces called cells. Our cells come in many different shapes and sizes....