Comblab project finished in December 2014. In this website you can download Comblab teaching materials ready to be used in several languages. Currently most Comblab partners go on working with MBL for secondary science.

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PLANTS AND OXYGEN Can plants be dangerous in a bedroom?

Jane and Sue are friends and they have not met each other for a long time. Both of them love flowers and plants, especially Sue has apartment full of plants; they are everywhere, in the living room, in the bedroom, in the kitchen. When Sue came to visit Jane, Jane had no flowers in the bedroom. When Sue asked about it, Jane explained immediately: “In the dark at night, flowers do not produce oxygen, in contrary, flowers consume it. Hence, sleeping people cannot breathe very well and sleep is not very good. And, if the windows are closed, people can be in danger.” Can it be true?

You can help Sue to decide either to remove all plants from her bedroom to support her healthier sleep, or to let it be as it is. Is the idea of Jane, based on the widespread superstition handed down for generations, stupid and baseless?

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