Affichage des articles dont le libellé est nature. Afficher tous les articles
Affichage des articles dont le libellé est nature. Afficher tous les articles

A cockroach can change directions up to 25 times per second!

 
Les cafards sont des insectes étonnants. En effet, La plupart de ces créatures peuvent vivre jusqu’à 15 jours sans eau et un mois sans nourriture. Certains, même, peuvent retenir leur souffle jusqu’à 40 minutes et vivre jusqu’à 9 jours sans tête. Les blattes ont aussi des réflexes de fuite très développés grâce aux poils disposés tout le long de leurs pattes qui se dotent d’une sensibilité directionnelle extrême leurs permettant de changer de direction 25 fois par seconde.

Honey can be fatal for babies aged less than one year!

Although honey is a lot of health benefits, it should not be given to infants less than one year because of the risk of infant botulism. Babies under one year do not have a digestive system completely matured and are susceptible to food poisoning botulism.
Infant botulism is a type of food poisoning caused by the bacterium Clostridium botulinum, which can cause death. Botulinum bacteria spores are widespread in nature and honey tends to host more than other foods.

Some spiders have a portion of their brains in their feet!

 
Bill Eberhar, a researcher at the Smithsonian Tropical Research Institute and professor at the University of Costa Rica, examined nine spider species from six different families and showed that tiny spiders have huge brains relative to their body it is spread in almost all of their body cavities until their paws. Indeed, the central nervous system of these tiny spiders fill nearly 80% of their body cavity, including about 25% of their legs.

The woolly mammoth became extinct at the time of the pyramids of Egypt!


Many of us believe that the disappearance of the woolly mammoth was really distant, in fact we always associate these giant animals at the time of the caveman. However, the last survivors of this species that lived on the island of Wrangel, a Russian island in the Arctic Ocean became extinct there are only 4000 years old at the time of the pyramids built by the pharaohs.

All mammals, bats have the highest rate of homosexuality!


 

A study by scientist Bruce Bagemihl shows that homosexual behavior can be observed in nearly 1,500 species of animals, from worms to primates with over 500 of these have been well documented.
And, this is the bat that has the highest rate of homosexuality. An animal that almost rivals the bat in this behavior is the giraffe. Other mammals on the list include lions, buffalo, bears, foxes, gorillas, zebras ...

We only explored 5% of the oceans!

The ocean is so huge that we have barely scratched the surface when it comes to exploration. Indeed, the ocean represents 70% of our planet and we explored only 5%, so 65% of the land has not been explored until now and that means that the topographic maps of Mars , Moon and Venus are more advanced than that of the earth.
The reason we saw so little of our oceans is extremely difficult to get there. In the deep ocean it is almost impossible to survive without specialized equipment designed to withstand pressure differences and excessive temperature.

Hippos milk is pink!

The hippo secretes two types of unique acid called "hipposudoric acid" and "norhipposudoric acid." These two acids are strong enough to minimize the growth of bacteria on the skin of the hippopotamus, they also act as a sunscreen to the skin of the animal because they absorb UV rays which destroy the cells of the skin.

The hipposudoric acid is bright red while norhipposudoric acid is bright orange. Both merge with milk hippo to give this
pink color.
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