Curated Video
Introduction to Organic Gardening
This video discusses the importance of organic gardening and the benefits of growing your own fresh produce. It provides tips and guidance on preparing the soil, choosing the right plants, proper watering techniques, natural pest...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Loci - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
Curated Video
GCSE Secondary Maths Age 13-17 - Geometry & Measures: Loci, Scale Drawing - Explained
SchoolOnline's Secondary Maths videos are brilliant, bite-size tutorial videos delivered by examiners. Ideal for ages 13-17, they cover every key topic and sub topic covered in GCSE Maths in clear and easy to follow steps. This video...
KnowMo
Constructing Bisectors and Locating Points
The video is a tutorial on how to construct bisectors, loci, and identify regions in geometry. The presenter explains the steps to construct a perpendicular bisector with a compass and ruler, as well as how to bisect an angle. The video...
SciShow
Editing Genes Inside the Human Body
We talk a lot about CRISPR and "designer babies" but the science of editing genes is varied and complex. This month, an adult man received billions of gene-editing viruses via an IV in an effort to treat a rare disease.
msvgo
Cartesian Equation of Parabola
It defines parabola as the locus of a point, and defines the associated terms. Derive the standard Cartesian equation of parabola and associated terms. Determine the symmetry.
ACDC Leadership
Why Socialism Analyzing Einstein's Essay
Here is Einstein's article in the Monthly review magazine. Why Socialism? by Albert Einstein This article was originally published in the first issue of Monthly Review (May 1949). It was subsequently published in May 1998 to commemorate...
Curated Video
Why Does Your Hair Turn Gray? – Speaking of Chemistry
Subscribe! http://bit.ly/ACSReactions It’s an inevitable side effect of longevity: your hair will turn gray. In this episode, Sophia Cai chats about the chemistry of your natural hair color, why it eventually turns white, and how...
Curated OER
Parabola Focus and Directrix 1
Starting with a point (focus) and a line below the point (directrix), in this video, Sal tries to find the set of all points (locus) equidistant to the point and the line. He shows, using the distance formula, that indeed, we have an...
Khan Academy
Parabola Focus and Directrix 1
In this video, starting with a point (focus) and a line below the point (directrix), Sal tries to find the set of all points (locus) central to the point and the line. Using the distance formula, he shows that we have a parabola equation.
Curated OER
Focus and Directrix of a Parabola 2
Continuing from a previous video, Sal takes the discussion of the focus and directrix of parabola further. Given the parabola, y=x2, he derives the focus and directrix by matching parts of the equation he found earlier. He then, comes up...
American Chemical Society
Why Does Your Hair Turn Gray? – Speaking of Chemistry
You can't escape your genes. Young scientists learn about recent revelations about how and why hair turns gray. The video in the ACS Reactions playlist highlights certain genes that play a role in this process.