TED-Ed
TED-ED: Logarithms, Explained - Steve Kelly
What are logarithms and why are they useful? Get the basics on these critical mathematical functions -- and discover why smart use of logarithms can determine whether your eyes turn red at the swimming pool this summer. Lesson by Steve...
Curated Video
Advancements in Biotechnology: The Future of Drug Discovery
Biotechnology is revolutionizing the drug discovery process with the development of biochips. These innovative chips, such as the optical flow through chip, allow for faster and more accurate analysis of genetic material, leading to the...
Curated Video
Quellar Family: Pioneering Private Biotechnology Lab in El Salvador
El Salvador's first private biotechnology lab, Gensa, is revolutionizing plant cultivation through cloning desirable species. By retaining traits such as disease resistance and taste in future generations, Gensa is paving the way for...
Curated Video
Genesis: Collecting Solar Particles for Study
This video discusses the Genesis spacecraft's mission to collect particles of the solar wind and return them to Earth for study. Despite a failed parachute deployment upon reentry, there is hope that valuable scientific data can still be...
Great Big Story
The history of Amen Break, the most iconic sample in music.
Discover the history of the Amen Break, a six-second drum solo that revolutionised music, influencing hip hop, drum and bass and beyond.
Curated Video
Can DNA help us solve a crime?
In this video, we explore the incredible world of forensic science and how DNA technology is helping to solve some of the most complex crimes. From the basics of how DNA works, to the cutting-edge techniques used to extract, analyze, and...
Curated Video
Mass spectrometer
An instrument that analyses characteristics of atoms and molecules, including their mass. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Element
An element is a pure substance that cannot be broken down any further by chemical means. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science...
Curated Video
Solution
A homogeneous mixture of more than one substance, with the different particles evenly distributed throughout. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Amplification of DNA
Producing many identical copies of a DNA sequence, by laboratory processes, such as the polymerase chain reaction. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual...
Curated Video
Atomic weight
The average mass of atoms of an element. A Twig Science Glossary Film. Key scientific terms defined in just 60 seconds using stunning images and concise textual definitions. Twig Science Glossary Films reinforce abstract concepts and key...
Curated Video
Mind Control
When the largest study ever asked whether humans could control machines with their minds, the results were surprising. But aside from study size, were these astounding results significant? Maths - Statistics And Probability A Twig Math...
Curated Video
Average Joe
Meet the average American citizen – and discover why working out averages can result in some distinctly unusual outcomes. Maths - Statistics And Probability A Twig Math Film. Reinforce and extend the learning required by the curriculum....
Curated Video
Reactivity Series: Comparing the Reactivity of Group 1 and Group 2 Metals
We compare the reactivity of Group 1 and Group 2 metals. We add sodium and then potassium to water. We observe the reactions. Next we add magnesium and then calcium to hydrochloric acid and observe the reactions. The results let us put...
Curated Video
Osmosis and Volume
We look at the effects of osmosis on the volume of potato and the appearance of red onion cells. Two cylinders of potato are measured and weighed before one is placed in salt water and the other in fresh water. We can see how osmosis...
Curated Video
Elements vs Alloys
We compare melting points of lead and tin to the melting point of their alloy, solder. By timing how long it takes samples of each to melt, we discover that the melting point of solder is actually lower than those of both lead and tin....
Curated Video
Chemical Filtration
We look at how chemical filtration can be used to remove contaminants from water. Potassium permanganate is used as the contaminant. First, we try to remove it using physical filtration, with filter paper and a funnel. This does not...
Curated Video
Plant vs Animal Cells
We compare plant cells and animal cells under a microscope to see how they differ. Cheek cells are dyed with methylene blue to make the observations possible. Biology - Cells And DNA - Learning Points. Almost all cells are invisible to...
Curated Video
Forensics: DNA Profiling
DNA profiling is one of the world's most powerful forensic tools, but how was it developed and how does it work? Biology - Cells And DNA - Learning Points. DNA profiling helps us to link individuals to crimes and free those that are...
Curated Video
The Wrong Guy Won
Why a seemingly random phone poll incorrectly predicted the outcome of the 1936 presidential race... because of a hidden bias. Maths - Statistics And Probability A Twig Math Film. Reinforce and extend the learning required by the...
Curated Video
Probability: Irrational Fears
Why do people fear flying but not coconuts? Or rollercoasters but not ladders? Find out how to calculate the theoretical or experimental probability of events, and why this shows that often the things we fear the most are the least...
Curated Video
Tank Wars
How an unlikely algebraic equation outdid allied spying efforts at providing insight into Nazi tank production – and helped to win the war. Maths - Algebra A Twig Math Film. Reinforce and extend the learning required by the curriculum....
Curated Video
Forensics: Tools of CSI
A criminal has committed burglary and escaped the scene without leaving a fingerprint or trace of DNA. How can forensic scientists still solve the crime? Chemistry - Atoms And Bonding - Learning Points. There are many forensic techniques...
Curated Video
Volume: Counting Stars
How many stars are there in the Universe? Astronomers calculate it the same way they would grains of sand on a beach... using volume. Maths - Measurement A Twig Math Film. Reinforce and extend the learning required by the curriculum....