TED-Ed
TED-Ed: Valentin Hammoudi: How tall can a tree grow?
Reaching heights of over 100 meters, Californian sequoias tower over Earth's other 60,000 tree species. But even these behemoths seem to have their limits: no sequoia on record has been able to grow taller than 130 meters. So what...
Curated Video
Heart transplant
The story of one man's life-saving heart transplant operation. Life processes - Body systems - The circulatory system Learning Points If the heart stops working oxygenated blood won't move around the body. Each heart beat pumps five...
Professor Dave Explains
Mast Cells: Strategic Granulocytes
We've covered macrophages, dendritic cells, and neutrophils, so let's move on the mast cells. These are examples of granulocytes, and they are involved in a variety of immune responses. Let's get a closer look now!
Curated Video
Circulating pump: What is it & why is it important?
In this video, we're going to talk about the circulating pump, why it's important and what circulating pumps are used for.
Curated Video
Understanding Monetary Aggregates and the Money Supply Definition
The video discusses monetary aggregates, which are the official definitions of the money supply in an economy. The speaker explains the different categories of monetary aggregates and their degree of liquidity. The video also focuses on...
Mazz Media
Estado de la materia
Este programa de video de accion en vivo es sobre la palabra Estado de la materia. El programa esta disenado para reforzar y apoyar la comprension y retencion por el estudiante de la palabra Estado de la materia mediante el uso de...
Learn French With Alexa
GCSE French Speaking: What Would You Change In Your Town?
In this video we look at this question: Qu’est-ce que tu aimerais changer dans ta ville ? - What would you like to change in your town? (AQA Theme 2 - Local, national, international and global areas of interest, Topic 1 - Home, town,...
Mazz Media
Liquid
This live-action video program is about the word liquid. The program is designed to reinforce and support a student's comprehension and retention of the word liquid through use of video footage, photographs, diagrams and colorful,...
AFP News Agency
CLEAN : Colombia: arrecia la campana rumbo al plebiscito de la paz
CLEAN : Colombia: arrecia la campana rumbo al plebiscito de la paz
Curated Video
UN ambassadors comment on security council talks on Iran
1. Wide shot exterior of building, location of UK and French Missions to UN
2. SOUNDBITE: (English): US Ambassador to UN, John Bolton
"We had a discussion of all fifteen members of the Council, the British and the French circulated the...
AFP News Agency
VOICED : Altercado en campo de refugiados por error de israelies
VOICED : Altercado en campo de refugiados por error de israelies
AFP News Agency
CLEAN: Poland is frontline in EU battle with tobacco smugglers
CLEAN: Poland is frontline in EU battle with tobacco smugglers
Khan Academy
Khan Academy: Circulatory and Respiratory System: Circulatory System and Heart
Introduction to the circulatory system and the heart. [14:56]