TED Talks
TED: The vital data you flush down the toilet | Newsha Ghaeli
Everybody pees and poops — and we know that urine and stool contain a rich source of information on our health, says data detective Newsha Ghaeli. Exploring the growing field of wastewater epidemiology, she shows how studying sewage can...
TED-Ed
TED-Ed: How the water you flush becomes the water you drink | Francis de los Reyes
In 2003, Singapore's national water agency launched an unprecedented program to provide more than 50% of their nation's water supply by recycling wastewater. The program had been planned for decades to ensure the island nation never ran...
SciShow
5 Things Humans Got Really Wrong About Our Bodies
Throughout history, people have been trying to figure out how our bodies work and how to fix them when things go wrong. This has led to some ideas that, with the benefit of hindsight, seem very strange
SciShow
Poop: Our Newest Ally in the Fight Against COVID-19?
Right now, scientists need additional COVID-19 monitoring methods. And our poops might help!
TED Talks
Stephen Palumbi: Hidden toxins in the fish we eat
What's link between the ocean's health and our health? Marine biologist Stephen Palumbi shows how toxins at the bottom of the ocean food chain find their way into our bodies -- and tells a shocking story of toxic contamination in the...
TED-Ed
A brief history of toilets | Francis de los Reyes
On sunny days, citizens of ancient Rome could be found exchanging news and gossip while attending to more urgent business at the public latrines. Today, most cultures consider trips to the restroom to be a more private occasion. But even...
SciShow
What Does "Organic" Mean, and Should You Buy Organic Foods?
There’s a lot of confusion over what organic means, and food with that label might not be as healthy or environmentally friendly as you think.
MinuteEarth
Why Sewers Around the World Keep Overflowing
The old combined sewer systems of many major cities are no match for modern storms and impermeable surfaces.
SciShow
Why Our Sewers are Plagued by Fatbergs
Sure, throwing grease down the drain is not great for the plumbing in your home, but it can actually cause problems on a much bigger scale in the form of FOGs - also known as fatbergs. And yes, those are as gross as they sound.
SciShow
6 Toilets From History, and What They Taught Us
Across the world, and throughout history, different peoples have developed different ways to deal with their own waste. And while they didn’t always nail the design, their efforts to keep themselves safe have led to the thrones and...
SciShow
6 Everyday Ways Science Protects You from Your Poop
It's easy to take waste disposal for granted, so here are six ways modern technology has made your poop safer and less... gross. Chapters S-BEND (TRAP) 1:15 TOILET SPRAY 2:33 TOILET LIDS 3:49 CHEMICAL TOILETS 5:35 VACUUM TOILETS 7:14...
SciShow
What Happens After You Flush?
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!
SciShow
What Happens If You Use Your Feces as Fertilizer?
Being able to use human feces as fertilizer could be really helpful for human colonies on other planets. It could also be useful for human colonies on THIS planet! And who doesn’t love recycling!?
Bozeman Science
Water Pollution
In this video Paul Andersen explains how water quality can be degraded by pollutants. Wastewater is the main source of water pollution and can be measure using the BOD (biochemical oxygen demand). Dead zones, cultural eutrophication,...
Curated Video
How To Stop Your Poop From Killing Corals
Corals all over the world are threatened by warming ocean temperatures. But 30 years of data show that reefs off the Florida Keys could protect themselves from rising temperatures if they weren’t also dealing with nutrient pollution...
Curated Video
Pollution: Water
How does water get polluted? Discover what water pollution means for the environment and how it affects humans. Earth Science - Human Impacts - Learning Points. Industry, agriculture and sewage all contribute to water pollution....
Curated Video
Landfills
Most of the world's waste ends up in landfills – what effect is this having on our environment? People and places - Human impact on the environment - Polluting the land Learning Points A landfill is a hole in the ground that waste is...
Curated Video
Water pollution
Life on Earth could not exist without water. However, human activities can cause water pollution. How can we prevent this? People and places -Human impact on the environment - Polluting our water Learning Points Human activity can...
Curated Video
GCSE Chemistry - Waste Water #57
In today's video we'll cover: - What waste water is - The different sources of waste water - How we can treat waste water
Curated Video
The Day the River Caught Fire
When Time magazine published details of a river fire in downtown Cleveland in 1969, the outcry was so loud and widespread, the U.S. government was forced into action.
Curated Video
Back to Work: The Civilian Conservation Corps
In the 1930s, hundreds of thousands of Americans were recruited across the United States to protect and preserve the country's forests, parks, and fields. The Civilian Conservation Corps, a voluntary work relief program, was way ahead of...
The Guardian
The racist history of toilets in America
America invested in sanitation systems throughout the 20th century – but it often left out communities of color, and they're still trying to catch up. This video explains how specific policies caused these inequities, and talks to some...
msvgo
Water pollution
It explains causes for water pollution, international standards for drinking water, biomagnification, eutrophication.
Science360
Even healthy corals have viruses - Science Nation
Corals are important ecosystem engineers, providing habitat and nutrient recycling to tropical reefs. However, coral species' richness and abundance are in decline worldwide, due in large part to the impacts from global industrialization...