John Cuthber

And you have provided this level of help

https://xkcd.com/675/

That's not an assumption, it's a definition. Why do you think your redefinition of the word is better than the one that's currently in use? Who are you that we should all suddenly change what the word means?

I really can't gauge it for myself. I wasn't there at the time, so I don't know what really happened.

Not really.

As Ghideon said, if the draw is "fair" then no numbers are more probable than any others. Are you thinking of something like this? https://en.wikipedia.org/wiki/Gambler's_fallacy

I'm fairly sure that the saline used in storing contact lenses is 0.9% NaCl and is isotonic with blood (and tears) so it causes less irritation when you put the lenses back in. It's not, in any way, intrinsically bactericidal. However it's likely to have some bactericide added to keep it sterile. My guess is that the stuff being sold is a solution of salt in a mixture of water and hydrogen peroxide. Once the peroxide decomposes you are left with saline. It's also possible that some spore-forming microbes would survive long enough for the peroxide to decay, and then start growing. Ask your optician.

Why? A few billion years of evolution has equipped us to deal with the amount normally present.

You do not know what you are talking about. The pizza flour is mainly starch and it tuns into sugar (It starts as soon as you chew it)

The body can, and will, make sugar (specifically glucose) even if there is none in the diet. It is also rather difficult to eat a diet that contains no sugar- starches are converted to sugar in the gut. Just about everything is said to cause cancer. Next time, try a doctor. Being devoid of sugar will cause your brain to die- pretty much instantly.

Others... not so much. NASA’s Long-Term Climate Predictions have Proven to be Very Accurate, Within 1/20th of a Degree Celsius https://www.universetoday.com/142324/nasas-long-term-climate-predictions-have-proven-to-be-very-accurate-within-1-20th-of-a-degree-celsius/

For all practical purposes, nobody makes artificial sugar.

I wasn't aware it was any sort of secret. https://en.wikipedia.org/wiki/Brainwashing

Is brainwashing the same as propaganda? To me it implies more than simply not telling people the truth.

UNLESS you don't remember because... the techniques worked.

Yes, I read about them. https://en.wikipedia.org/wiki/Flatland

For the most part, it's not the alcohol in beer that kills the bacteria- it's the fact that the brewing process requires prolonged boiling. Making tea also works. There is a (not too serious) suggestion that the British empire was a success because we adopted both reasons for boiling our water.

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iron nanoparticles will catch fire on exposure to air, and they won't last much longer in water.

Who does what?

Not while she's courting Brexit and Trump.

Babies' bottles have been sterilised with dilute hypochlorite for just over 100 years without any problems. https://en.wikipedia.org/wiki/Milton_sterilizing_fluid The hypochlorite isn't the problem. People cook chicken and that kills bacteria. The bacteria,are not the problem It's the shit. If you process the carcasses appropriately, you don't get them so badly contaminated that you have to bleach them (rather than just washing them). Chlorinated chicken is an excuse to literally sell shit to the consumer.

There are two things. Water can form two hydrogen bonds to other molecules; ammonia can only form 1 Also, while ammonia is much more volatile than water, it's much less volatile than, for example, methane.

Do you mean endothermic? I'm fairly sure that the reaction of bicarbonate of soda with vinegar is endothermic.

No. But I'd consider using sodium metabisulphite next time.