In this website you can find clips that show ideas that are worth spreading concerning different subjects like technology, global problems, science, entertainment, and so on.
Morover, the interface is really nice and it is easy to find clips of whatever topic you are interested in. Added to this, it is a useful tool to improve your listening skills in English.
I would like to highly recommend this clip because it concerns the reason why so many people are nowadays interested in studying English. The clip shows that the country most interested in studying English is China. They are making a big effort to learn the language.
http://www.ted.com/talks/jay_walker_on_the_world_s_english_mania.html
This clip is very interesting specially for health and science teachers. It is about a pediatrician who has invented a device to harvest bone marrow. He called it "Marrow miner". Its advantages are that doctors get more marrow, only one puncture is needed and they do not need general anaesthesia. Bone marrow is transplanted in people that suffer from leukemia and others blood illnesses.
http://www.ted.com/talks/daniel_kraft_invents_a_better_way_to_harvest_bone_marrow.html
Inma y Virginia
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