Children discover ‘invisible ocean people’ at Science Festival

Children discover ‘invisible ocean people’ at Science Festival

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In France, after two years at sea and 70,000 km traveled the South Atlantic and Pacific Oceans to study microorganisms, the scientific boat tara Today she will return to her home in the port of Lorient in western France. To mark this return and celebrate science, workshops are organized throughout the weekend, in particular to introduce children to the “Invisible Ocean People” and its role in the “climate machine” for these students from Landaull, a city not far from Lorient.

A sample of sea water is placed under this digital microscope attached to a plate and dozens of microorganisms appear on the screen: There, you can not see, there are small legs.

Jules, Chiara and their buddies are on the lookout to learn about caterpillars, copepods, or coccynodiscus. Children’s reaction: Zooplankton are tiny animals, there are phytoplankton, algae … “,” In a small drop of water, what you can see is huge “,” Means you swim in it “,” And if we say to ourselves that when we drink the cup we drink all that “.

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The aim of this workshop is to discover these ocean people, invisible to the naked eye, to tell them their key role in the food chain, but also to understand how humans change certain balances. Noan Le Biscott, of the Plankton Planet Science Consortium: ” The fact that we show them that in the water we obviously find living things, but we also find, for example, plastic particles. It is very common to find blue fibers very relevant to the masks we have been wearing after this period of Covid. Seeing it with your own eyes is different from just hearing it.”

Another example: coccolithophores, these microalgae that are having an increasing difficulty making their skeleton out of limestone. In question, ocean acidification is linked to our emissions of carbon dioxide.

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