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Le narval : défense de geler

S1 E22
·
2024

Once the stuff of legend, the narwhal's tusk has now revealed its secrets. This huge tooth is in fact a hydrodynamic sensor, capable of providing the narwhal with everything it needs in real time to migrate to the richest waters.

Levels:
Elementary Grade 2
Subjects:
Science and technology Life Systems
Skills:
Critical Thinking
French level:
A2: Waystage
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E17 : Le manchot : le plus chaud de la banquise

How does one stand the cold? Male penguins gather in groups to maintain their body heat.
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E18 : Le poisson-globe : l'ingénieur amoureux

This twelve-centimetre male fish is capable of carving perfectly symmetrical rosettes on the ocean floor to attract females.
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E19 : Le crabe boxeur : crochet, uppercut et petits boutons

The boxer crab holds sea anemones in each claw. This is its way of catching prey and scaring off predators.
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E20 : Le lézard Jésus-Christ : l'art de la fuite d'eau

When danger approaches, instead of hiding in the foliage, the Jesus Christ lizard jumps into the river and runs on the water.
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E21 : Le caméléon : le harpon gluant

We know the chameleon for his color changes. But that's not its only talent. It's also a formidable hunter. Few insects can escape its tongue, which unfurls in 20 milliseconds.
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E22 : Le narval : défense de geler

Once the stuff of legend, the narwhal's tusk has now revealed its secrets. This huge tooth is in fact a hydrodynamic sensor, capable of providing the narwhal with everything it needs in real time to migrate to the richest waters.
Subscription
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E23 : L'ornithorynque : le chausseur électrique

It has a duck's beak, a beaver's tail, webbed feet, venom and is one of the few mammals that lays eggs. The platypus hunts underwater without seeing or hearing.
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E24 : La méduse immortelle : retour vers le futur

When immortal jellyfish run out of food or become too old, they are able to reverse the aging process.
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E25 : La toile d'araignée : à toute épreuve!

The spider has a mini spinning factory in its abdomen.
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E26 : Le mouton de mer : énergie 100% légumes verts

This little gastropod, also known as the sea sheep, can photosynthesize. This is very useful for storing food.
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E27 : L'abeille : la zumba de l'eldorado

When the bee starts dancing, it's to show the other bees the way to find the pollen. The bee's body language explains it all.
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E28 : L'oiseau-lyre : la cuicuiphonie

Thanks to its highly-developed syrinx, the equivalent of our vocal cords, the male lyrebird assesses the potential of females.
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E29 : Le canard : la méga flotte

The duck floats, has a triple layer of feathers and a secret oil that makes it completely waterproof.
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E30 : Les super-pouvoirs du vivant

When the pangolin curls up on itself, its highly supple body and super-powered muscles enable it to form a perfect ball to protect itself from predators.
    Levels:
    Elementary Grade 2
    Subjects:
    Science and technology Life Systems
    Skills:
    Critical Thinking
    French level:
    A2: Waystage