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Posted

Bruce, salt in the air from ocean spray rarely carries any further than about 20 to 40 kms inland. Nev is correct, the salt is still leaching out of our soils, because we have the youngest continent of all the continents. In planetary ageing terms, it only popped up from under the sea yesterday.

Posted

Thanks Onetrack, here's a question that I asked the medicos without getting an answer: Our blood is about 900ppm salinity. Q:  Is this equal to the sea salinity when our ancestors left the sea?  It is a LOT more saline now, so the 900ppm seems about right for hundreds of millions of years ago.

Our ancestors at the time were of course fish. ( The coelecanth fish looks like a candidate....  alas, the ones around now lack the five-fold symmetry of their appendages which apparently mark a true ancestor)

  • Like 1
Posted

A few millennium ago , the sea was not as salty as it is today. 

At one stage it had no salt at all .

So the " primordial ooz " can never come back , to make a different form of life .

spacesailor

  • Informative 1
Posted

A new one for me. ! .

I have just learnt that I cannot go to see my newest 

Greatgrand daughter .

New bureaucracy rules informed. 

no vaccination for whooping cough.  

Then the baby is isolated from the family untill the compulsory  baby vaccination. 

After which the whole family may see that , now. Two week old child. 

spacesailor

  • Informative 1
Posted

Yeah, the old whooping cough is a nasty complaint. I had it when I was about 5, there was a whooping cough epidemic swept Australia in the early to mid 1950's, most kids in that era caught it.

It's a dreadful disease, I can still remember gasping for breath. It can lead to pneumonia.

 

I read where there was a National programme for whooping cough vaccination for kids since the 1940's, but I don't remember being vaccinated against it. Maybe it wasn't compulsory then, as many of the early vaccinations are today. I must look up my old vaccination card to see if it's listed there.

 

I didn't start school until I was 6, and I do recall school vaccinations, so maybe I caught WC before I was vaccinated under the school programmes.

 

https://www.aihw.gov.au/getmedia/303c1ab7-9b04-4544-9c5d-852c533ac87a/aihw-phe-236_whoopingcough.pdf.aspx

  • Informative 1
Posted
1 hour ago, facthunter said:

I don't subscribe to the anti vaxxer theory.. Nev

Your personal opinion will not carry any weight in this world until it gets a million likes on 3 different social media platforms.

  • Haha 1
Posted

I have long since lost my old vaccination records.

But I recall standing in line with the all the other kids in grade 1, to get a needle in my arm. This was late 50's, way before disposable syringes and needles. The nurse had two glass syringes. One in use and one being refilled. Each syringe held enough for several kids. After each injection the nurse passed the needle through the flame of a spirit burner to sterilise it. By the time the needle had been in a dozen arms the point was getting blunt. But we all got our shots.

 

It wasn't until 40 years later when I caught whooping cough that I was informed that the immunisation was only valid for about a decade.

  • Informative 1
Posted
13 hours ago, old man emu said:

You've got to deal with a lot of pricks before you can see the results of just one prick.

My (ex) wife was a nurse and at one time worked briefly at a STD clinic. As she plunged the needle into the patient for their blood test she delighted in saying

"Just a quick little prick and it'll all be over".

Nurses can be cruel.

  • Haha 1
Posted (edited)

STD . subscriber trunk dialing. 

STD . sexual transmitted disease .

I know there's another one .

spacesailor

Edited by spacesailor
A I changed a word

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