Author Topic: What's the most dangerous animal that has ever lived?  (Read 11029 times)

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Offline Dr.Abshir

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What's the most dangerous animal that has ever lived?
« on: March 19, 2008, 03:59:48 PM »
Half the human beings who have ever died, perhaps as many as 45 billion people, have been killed by female mosquitoes (the males only bite plants).

Mosquitoes catty more than a hundred potentially fatal diseases including malaria, yellow fever, dengue fever, encephalitis, filariasis and elephantiasis. Even today, they kill one person every 12 seconds.

Amazingly, nobody had any idea that mosquitoes were dangerous until the end of the British century. In 1877, the British doctor Sir Patrick Manson - Known as 'Mosquito Manson' proved that elephantiasis was caused by mosquito bites.

Seventeen years later, in 1894, it occurred to him that malaria might also be caused by mosquitoes. He encouraged his pupil Ronald Ross, then a young doctor based in India, to test the hypothesis.

Ross was the first person to show how female mosquitoes transmit the plasmodium parasite through their saliva.
He tested this theory using birds. Manson went one better. To show that the theory worked for humans, he infected his own son - using mosquitoes carried in the diplomatic bag from Rome. (fortunately, after an immediate dose of quinine the boy recovered).

Ross won the Noble Price for medicine in 1902. Manson was elected a Fellow of royal society, knighted and founded the London School of Tropical Medicine.

There are 2500 known species of mosquitoes, 400 of them are members of anopheles family, and, of these, 40 species are able to transmit malaria.

The females use the blood they suck to mature their eggs, which are laid on water. the eggs hatch into aquatic larvae or 'wrigglers'. Unlike most insects the pupae of mosquitoes, known as 'tumblers'. are active and swim about.

Male mosquitoes hum at higher pitch than females: they cab be sexually enticed by the not of a B-natural tuning fork.

Female mosquitoes are attracted to their host by moisture, milk, carbon dioxide, body heat and movements. sweaty people and pregnant women have a higher chance of being bitten.

Mosquitoes means 'Small fly' in Spanish and Portuguese.


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Offline Dr.Adnan

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Re: What's the most dangerous animal that has ever lived?
« Reply #1 on: March 19, 2008, 05:01:07 PM »
Really amazing :o :o. I thought it will be Dinosour, elephants or anything else but not mosquito.
 If mosquito means "small fly" in espaniol , what does "Kaneeco" mean.  ???
By the way thanks Dr.abshir.
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Offline Munim

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Re: What's the most dangerous animal that has ever lived?
« Reply #2 on: March 19, 2008, 09:00:24 PM »
Thanks Dr Abshir for this Nice information.
Dr Adnan Kaneeco means "DHILMAAYO" ;D ;D ;D
Education Opens the Doors


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