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From Karnataka Open Educational Resources
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, 11:24, 4 May 2015
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| This is a beautiful website that shows the dimensions of all matter in the universe - smallest to largest. Please click [http://htwins.net/scale2/scale2.swf?bordercolor=white here] to enjoy. This was shared by R Manjunath, SADPI, DSERT. | | This is a beautiful website that shows the dimensions of all matter in the universe - smallest to largest. Please click [http://htwins.net/scale2/scale2.swf?bordercolor=white here] to enjoy. This was shared by R Manjunath, SADPI, DSERT. |
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| + | ==='''Chemical reaction video magic'''=== |
| + | {{#widget:YouTube|id=gOqdp9T-gXo}} |
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| + | ===Which animal blood is blue in colour? === |
| + | Horseshoe crab blood is is bright blue bcoz of copper-based hemocyanin to transport oxygen where vertebrates use iron in hemoglobin. |
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| + | {{#widget:YouTube|id=e8KlAmtIu1E}} |