Be Smart
These Death-Eating Scavengers Are Real Life-Savers | IN OUR NATURE
Seemingly distant ecosystems, even half a world apart, are connected in surprising ways. In this special limited series, Emily Graslie and Trace Dominguez join me as we explore the universal rules of life that tie together Earth’s living...
MinuteEarth
Why Most Fossils Are Incomplete
In 1990, fossil collectors in South Dakota stumbled across a dinosaur that turned out to be a really big deal. Not just because it was a T. rex – basically the most popular dino out there – or because it ended up in Chicago’s famous...
SciShow
Chemistry & Corpses: The Science of Bog Bodies
SciShow explains the chemistry, archaeology and history of bog bodies -- naturally mummified corpses (and other fun things!) that have been discovered in Europe's peat bogs.
TED-Ed
Why didn't this 2,000 year old body decompose? | Carolyn Marshall
It may not appear very lively six feet underground, but a single teaspoon of soil contains more organisms than there are human beings on the planet. From bacteria and algae to fungi and protozoa, soils are home to one quarter of Earth's...
SciShow
The Strange, Smelly Science of Decomposing Bodies
How is it we know so much of decomposition? The smelly truth? - Body Farms! Michael Aranda explains what happens after you die and how eventually you turn back into dust.
SciShow
Why Does Everything Stink Less in Winter?
There are lots of reasons stinky things don’t smell as strong in cold weather. You can maybe guess some of the reasons, but others may surprise you!
TED-Ed
TED-Ed: What happens to our bodies after we die? - Farnaz Khatibi Jafari
Since the dawn of humanity, an estimated 100.8 billion people have lived and died, a number that increases by about 0.8% of the world's population each year. What happens to all of those peoples' bodies after they die? And will the...
Bozeman Science
Synthesis and Decomposition Reactions
Atoms or molecules combine to form a new compound in a synthesis reaction. Examples include the addition of oxygen to magnesium metal to create magnesium oxide and the addition of carbon dioxide to water to crete carbonic acid. A combine...
SciShow
Venomous Mammals, Sensory Receptors & the Moon's True Origin Story
Hank describes to us some news stories that illustrate how science is continually changing the things we think we "know" - from the status of various animals species, to the way our senses work and even where the Moon came from -...
SciShow
Why Can't You Compost Meat?
Composting becomes more widespread and accessible all the time, keeping millions of tons of food waste from ending up in landfills every year. But there is one quirk of some composting programs that can be a little annoying: they don't...
Crash Course
Fungi: Death Becomes Them - CrashCourse Biology
Death is what fungi are all about. By feasting on the deceased remains of almost all organisms on the planet, converting the organic matter back into soil from which new life will spring, they perform perhaps the most vital function in...
SciShow
The Smelly, Oozy, Sometimes Explode-y Science of Garbage
You ever think about where your trash goes? How long it takes to decompose? And whether your garbage can become ... dangerous? You should! Hank explains the science of trash, how we've dealt with it (or not) over the ages, and both the...
TED-Ed
TED-Ed: How to make a mummy - Len Bloch
As anyone who's seen a mummy knows, ancient Egyptian priests went to a lot of trouble to evade decomposition. But how successful were they? Len Bloch details the mummification process and examines its results thousands of years later.
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
Average Zombie Lifespan
Howcast - Learn what is the average zombie lifespan in this Howcast video about how to survive a zombie attack.
Curated Video
Problem solving using programming constructs
Pupil outcome: I can combine sequence, selection and iteration in a program to solve a problem. Key learning points: - The programming constructs of sequence, selection and iteration can be combined to make more complex programs. -...
Curated Video
Computational thinking
Pupil outcome: I can use computational thinking techniques to help solve problems. Key learning points: - Computational thinking is a systematic approach to solving problems. - Decomposition is used to break down a large problem into...
Professor Dave Explains
Further Matrix Decompositions: LU, Cholesky, QR, and SVD
We've learned about matrix diagonalization, which is a type of matrix decomposition. There are some others that we must learn, including LU decomposition, Cholesky decomposition, QR decomposition, and singular value decomposition. Let's...
Curated Video
What are the different types of chemical reactions?
In this video, I'm going to show you a simple way to identify the type of chemical reaction that is happening in a given situation. This will help you to understand the process more easily and to carry out the reaction in a more accurate...
Curated Video
Preservative
A substance that is added to a product in order to prevent decomposition or undesirable chemical changes. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Methane
A colourless and odorless gas that belongs to the alkane group of hydrocarbons. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Decomposition
The process by which dead organic matter is broken down into simpler chemicals and dispersed. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig...
Curated Video
Spontaneous
Occurring without any external influence or trigger, entirely by its own means. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary...
Curated Video
Pollution: Land
How does land get polluted, and what with? Discover the quantities of waste deposited in landfills each year, and just how much could be recycled. Earth Science - Human Impacts - Learning Points. Landfills are holes in the ground where...