In 1958, after receiving a letter describing the deaths of songbirds due to the pesticide known as DDT, Rachel Carson began an investigation into the misuse of chemicals and their toll on nature. In 1962, she published her findings in...

Water can dissolve more substances than anything else on earth...so why doesn't it dissolve everything away?

Conservationist and TED Fellow Moreangels Mbizah studied the famous Cecil the lion until he was shot by a trophy hunter in 2015. She wonders how things could've gone differently, asking: "What if the community that lived next to Cecil...

Hank & his clone Circus Hank explain the power of epigenetics, which studies the factors that determine how much or whether some genes are expressed in your body.

Biology and technology grew closer together when scientists manufactured neurons that acted like those in a brain! And birds evolved to protect themselves in two ways: fight and flight.

Africa’s Sahara desert is a prime location, some say, to build arrays of solar panels and wind turbines. But scientists are aware that building these structures can potentially have large-scale effects on the surrounding environment that...

In this collection of classic MinuteEarth videos, we learn more about the planet’s two favorite pets.

Humans have always peed and pooped, but where it goes after we’ve done our business has changed a lot. In fact: The water you just drank may well have been a part of someone’s urine just weeks ago! SciShow explains!

From something as miniscule as a cell to the biosphere we all call home, living things fit together in numerous interesting ways. Bobbi Seleski catalogs biology from our body and beyond, tracking how unicellular organisms, tissues,...

So, we've built a lot of things over the last year and we've become awesome engineers in the process. But now it's time for a real challenge. Let's build a city! That's right, you heard me! In this episode, Sabrina shows us what we need...

So, what happens when there's not enough water? Well... not good things. Do we let homes have more water for showering and cooking? Or do we let farms have the water for growing crops? There aren't any easy solutions, but today Sabrina...

Epigenetic inheritance is really weird, but is it real?

Explore homeostasis with the Amoeba Sisters and learn how homeostasis relates to feedback in the human body. This video gives examples of negative feedback (temperature and blood glucose regulation) and positive feedback (events in...

A broken bone might seem worse than a sprain, but you'll get over it much more quickly.

During the hot summer months, watching an outdoor sports match or concert can be tantamount to baking uncomfortably in the sun -- but it doesn't have to be. At the TEDxSummit in Doha, physicist Wolfgang Kessling reveals sustainable...

The technology we use to keep cool is heating the world in a vicious feedback cycle, so we need to improve it and use it less.

You may not think much about moss, but it has a hidden super power, and it's been used to save countless lives.

Soil doesn't seem like it's "alive", yet it functions like a living thing in lots of key ways.

Vegan chef (and head chef of TED Countdown Summit) Derek Sarno is on a mission to unleash the mighty power of plants, creating nutritious food from mushrooms and vegetables that's full of texture and flavor -- and good for the planet. He...

How to Find Your Leadership Style Crash Course Business - Soft Skills #14

Dive into the world of aquaculture and see how restorative ocean farming could play a vital role in helping our coastal communities, our oceans and our climate. -- For billions of people, seafood provides a significant source of...

Population ecology is the study of groups within a species that interact mostly with each other, and it examines how they live together in one geographic area to understand why these populations are different in one time and place than...

In this captivating talk, journey into the surprisingly colorful nights of the Amazon Rainforest, as artistic entomologist Leo Lanna and designer Lvcas Fiat introduce us to the shapeshifting wonder of a creature they've fallen in love...

Each year humanity produces roughly 400 million tons of plastic, 80% of which is discarded as trash. Of that plastic waste, only one-tenth is recycled. 60% gets incinerated or goes into the landfills, and 30% leaks out into the...