Invasion of the Bodysnatchers

Discutamos aquí como la ciencia y sus adelantos cambian nuestras vidas.
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Invasion of the Bodysnatchers

Mensaje por AfricanCamelHumper » Abril 9, 2009, 6:22 am

When Tanya Andrews returned from a recent family holiday in Costa Rica, she had no idea she had brought back a gruesome souvenir.

Imagen

A month later she developed an extremely painful lump on her head.

At first, she thought she had an abscess, but then it wriggled.

At the Hospital for Tropical Diseases they recognised the problem straight away - it was the living maggot larva of a botfly.

While Tanya was enjoying her holiday a mosquito had delivered a tiny botfly egg onto the surface of her scalp.

The egg hatched into a maggot and burrowed deep inside. Incredibly, this happens to thousands of people every year.

As we travel to ever more exotic holiday destinations, we are at the mercy of a whole range of bizarre parasites just waiting to colonise us.

Strange nosebleeds
Imagen

I swear it had two beady eyes on it.
Broughton Coburn

Soon after travel writer, Broughton Coburn, returned from Nepal he began to experience regular, inexplicable nosebleeds. They continued for three weeks until an embarrassing encounter in a teashop made him realise that something was seriously wrong. As he was being served, the waiter took one look at him and fled in horror.

Broughton chased him down the street urging him to tell him what was wrong. But the boy would only point, wordlessly, at his nose. Broughton returned home and sat in trepidation in front of a mirror.
Aquatic leech
A thirsty aquatic leech

His patience was rewarded when a brown worm-like creature emerged from his right nostril and looked around.

"I swear it had two beady eyes on it. And it came out two or three inches, looked around and then retracted. I thought it was a dream, a vision of some sort."

In shock, Broughton rushed off to his doctor who tried to remove the mysterious creature. But it wasn't going to give up its home easily.

"He had this thing pulled out eight or ten inches and I'm looking at it cross-eyed down the end of my nose, and he's looking at it, he has a look of absolute horror on his face. And the thing came off. And there was this leech."

Broughton had been invaded by an aquatic leech. It made its move while he was drinking from a mountain stream. These thirsty bloodsuckers can drink three times their bodyweight at each feed and inject an anaesthetic so their victim feels nothing.

Welcome visitor
Imagen
Tapeworm cyst on a piece of meat
The tapeworm cyst that Dr Leahy ate

But not all parasites are unwanted and uninvited. As part of a University of Salford experiment to develop a diagnostic test for beef tapeworm, biologist Mike Leahy volunteered to grow this gruesome parasite inside his own gut. Mike swallowed the immature tapeworm cyst with a glass of red wine and the worm subsequently grew at an astonishing four centimetres a week.

Twelve weeks later he had to call a halt to the unusual experiment because he was getting married!

After a dose of anti-worm pill Mike passed out an intact, six foot long tapeworm.

Disgusted? Well according to Dr Val Curtis, an expert on hygiene, this reaction is a natural survival mechanism.

"In the same way that you have an immune system which helps to protect you from parasites we also have a behavioural system.

"When you feel the emotion of disgust it is a driver of your behaviour to make you keep away from or drop the thing that might be about to make you sick."

And, it seems, we need all the protection we can get. Every living thing has at least one parasite and many creatures, including humans, have far more. In fact, parasites make up the majority of species on Earth.
[color=#000080]Abraham Lincoln - "Better to remain silent and be thought a fool than to speak out and remove all doubt."[/color]
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[size=150][color=#400080]La Came[/color][/size] :mrgreen:

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Mensaje por lunazul » Abril 9, 2009, 2:23 pm

E
W
Cuando se apunta a la Luna, el tonto se queda mirando al dedo.
-Proverbio chino

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Mensaje por AfricanCamelHumper » Abril 9, 2009, 3:00 pm

You have some on your skin right now >:)

They are just toooooo tiny for you to see muahahahaa
[color=#000080]Abraham Lincoln - "Better to remain silent and be thought a fool than to speak out and remove all doubt."[/color]
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Mensaje por Jay » Abril 9, 2009, 9:40 pm

It coulda been worse! The mosquito could have delivered the egg south.

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Mensaje por BurronAzul » Abril 9, 2009, 11:11 pm

Te imaginas que se lo pongan a un padecedor de alopecia en al area craneal? Sobre el todo el espacio vacio que va a tener el bicho para crecer :D
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El Bu

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Mensaje por elegua » Abril 10, 2009, 2:00 am

se jodio el carlitos :D
oremos por el =))
en usa tendra medicaid =))=))=))
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Mensaje por AfricanCamelHumper » Abril 10, 2009, 11:43 am

Yes it is fukos. It is from BBC, not sure if Horizon made it.

El charlie esta mas salvado que nojotros Ele. El tiene mas anticuerpos contra ellos que nosotros que vivimos en el yuma sin casi ningun bichito. Bueno excepto la Luni, que en ese monte se puede encontrar con cualquier cosa :mrgreen:
[color=#000080]Abraham Lincoln - "Better to remain silent and be thought a fool than to speak out and remove all doubt."[/color]
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Mensaje por elegua » Abril 10, 2009, 3:46 pm

un bicho de esos en el cerebro de carlito es como si estuviera en huelga de hambre :D
solo le alcanza para una sopa de letras mas nada =)))
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Mensaje por CarlosSF74 » Abril 11, 2009, 2:12 am

Ele, yo tengo uno de esos en el cerebro; tu cerebro es uno de esos. :D
We take for granted we know the whole story - We judge a book by its cover and read what we want... between selected lines!

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Mensaje por elegua » Abril 11, 2009, 1:21 pm

si tu lo dices ,nada de que preocuparse :D
[html]<center><p>Barack Hussein Obama</p>
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