The Khan Academy provides online videos to help students worldwide understand scientific concepts, but some say such videos actually might harm learning. Researchers have found that videos that break information down clearly and concisely may not challenge students. Therefore, the students may be less likely to learn from the videos and more likely to stick with their own preconceived notions about science -- whether or not they are accurate. This article says the best science videos debunk common misconceptions by presenting them along with correct information.
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