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Contributed by Catherine Little. Students often have a hard time accepting and believing that white light is a composition of many colours of light. In this activity, students construct a... read more
Introduction Measuring tiny volumes with precision and accuracy requires a micropipet. In the biology lab, micropipets are used for preparing and loading DNA samples, microscale experiments and the... read more
https://www.youtube.com/watch?v=rf6BnOLb5xs The hair on your scalp can get really long, but your leg hair doesn’t sweep the floor. Why not? Hosted by: Hank Green ---------- Dooblydoo thanks go to... read more
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