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High voltage: Napo
High voltage! shows some risks in the use of electricity. The danger is represented by a figure, Napo, in the form of an arc in electric blue.
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Green frogs
This short video can be used to supplement a lesson (biology) on the frog and his behavior in the spring.
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Sparrowhawk catches robin
In nature it can sometimes cruel to go.
Close to my window a hawk caught a robin. The prey was held in check, but when I changed position to less 'shocking' images to have the hawk flew away with it.
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Astronomy: Venus in Taurus back
Tuesday, April 3, 2012 Venus will be in the cluster, the Pleiades. The open cluster, in the back of the bull, it will add an extra star. As from the end of March you can see in the evening after sunset in the western sky, Venus closer and closer …
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