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L'impact du vaccin

S1 E2
·
2020

Since the first vaccines against smallpox and the work of Pasteur, vaccines have revolutionized the way we treat diseases: polio, tuberculosis, measles, tetanus... Today, in order to defeat the COVID-19 pandemic, all hopes are put in vaccine campaigns, but how to judge the impact of a vaccine? This episode puts the question under the microscope.

Levels:
Secondaire 10e année 11e année 12e année
Subjects:
Sciences et technologie Biologie
Skills:
Apprentissage autonome Citoyenneté mondiale et durabilité Innovation Pensée critique
French level:
B2 : Avancé ou indépendant C1 : Autonome
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E1 : Mesurer la perte de la biodiversité

6min5s
In September 2020, the WWF announced that the Living Planet Index had dropped by 68%. What does this figure mean? What is biodiversity? How do we measure the loss of biodiversity, when it is estimated that 80% of the world's living species are still unknown?
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E2 : L'impact du vaccin

5min36s
Since the first vaccines against smallpox and the work of Pasteur, vaccines have revolutionized the way we treat diseases: polio, tuberculosis, measles, tetanus... Today, in order to defeat the COVID-19 pandemic, all hopes are put in vaccine campaigns, but how to judge the impact of a vaccine? This episode puts the question under the…
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E3 : Mesurer le bonheur

7min55s
Increased economic growth is often associated with our well-being. Can economic indicators really measure something as complex as happiness? This episode takes a look at these much-loved economic indicators.
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E4 : Comprendre la rareté des métaux rares

4min46s
This episode looks at the periodic table and rare metals. From their presence in the earth's crust to the strategic issues of their extraction, what makes these ubiquitous components in our smartphones so rare?
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E5 : Évaluer la surexploitation des océans

5min33s
In this episode, we try to better understand the impact of fishing on the oceans. In 2018, humanity consumed 178 million tons of fishery products. Is this more than the marine environments can handle? The overexploitation of species is real, but more complex than it seems. So, how can we assess it?
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E6 : Il n'y a pas de gravité dans l'espace...

2min19s
In this episode, we will go into space to discover the principle of gravity and why astronauts inside the International Space Station seem to float.
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E7 : Les requins sont les animaux les plus dangereux

2min40s
We sometimes hear that sharks are the most dangerous animals in the world. What is the truth of this? Which animal should man fear the most? The crocodile, the snake, the bedbug? You can learn more in this episode.
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E8 : Internet ne pollue pas...

2min33s
Is it true that the Internet does not pollute? In this episode, we take a look at the computer and Internet use: rare metals, chemicals, global energy consumption to answer the question.
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E9 : Les transports sont les principaux responsables de l'effet de serre

2min54s
In this episode, we explain, on a global scale, the contribution of various human activities to the production of greenhouse gases. Human activities include: manufacturing and construction, transportation, electricity and heat production, non-transport fuels, diffuse emissions from coal mining, agriculture, and many others.
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E10 : L'homme descend du singe

3min9s
Is it true that man is descended from the ape? In this episode, we reconstruct the family tree of present-day man and the modern great apes.
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E11 : L'humanité ne pourrait pas survivre sans les abeilles

2min51s
Could humanity survive without bees? This episode explores the role of bees in pollinating the plants we eat.
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E12 : La terre ne pourra pas nourrir ses 9 milliards d'habitants en 2050

2min34s
In this episode, we will see if the figures confirm the doubts about the capacity of our planet to generate food for all its inhabitants by 2050.
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E13 : Les cyclones sont plus nombreux qu'avant

2min12s
In this episode, the numbers will tell us if with global warming, we are really witnessing an increase in natural phenomena such as cyclones.
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E14 : On peut voir la muraille de chine depuis la lune

2min54s
In this episode, a careful examination of the data will tell us if, as the legend says, we can see the Chinese wall from the Moon (or not).
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E15 : Nous n'utilisons que 10% de notre cerveau

1min54s
We sometimes hear that we only use 10% of our brain. What is the truth of this? Let's see what the scientists say.
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E16 : Il a toujours autant d'arbres sur terre malgré la déforestation

2min6s
In this episode, the numbers will tell us if, as a result of deforestation, there are really still so many trees on the planet (or not).
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E17 : La Chine sera toujours le pays le plus peuplé en 2100

2min20s
In this episode, we explore the demographic outlook for China and Indonesia to see if it is safe to say that China will still be the most populous country in 80 years.
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E18 : La fin du pétrole?

2min31s
In this episode, the numbers will tell us if the claim that we will soon run out of oil is true or not. And if the end of oil is the real problem.
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E19 : Toutes les cellules de notre corps ont le même patrimoine génétique

2min15s
We often hear that all the cells in our body have the same genetic heritage. What is the truth of this?
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E20 : On pourra bientôt vivre sur Mars

2min54s
Is it true that we will soon be able to live on Mars? The scientific data on the project of a trip and a stay on the planet Mars will tell us more.
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E21 : Le tri sélectif ne sert à rien

2min51s
How effective is waste separation? In this episode, we explore the amount of waste produced and the wide disparities in recycling and composting in various countries.
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E22 : Le cancer est la première cause de mortalité dans le monde

2min6s
In this episode, the numbers will tell us if, as one might think, cancer is indeed the leading cause of death in the world.
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E23 : La fonte de la banquise fait monter le niveau des océans

2min8s
In this episode, we determine if the melting of the ice pack is really causing the sea level to rise.
Levels:
Secondaire 10e année 11e année 12e année
Subjects:
Sciences et technologie Biologie
Skills:
Apprentissage autonome Citoyenneté mondiale et durabilité Innovation Pensée critique
French level:
B2 : Avancé ou indépendant C1 : Autonome