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If injected cancer can take hold, why doesn’t skin or oral cancer spread person to person?

I recently read A Brief History of Black Holes by Dr. Becky Smethurst. She also has a great series of YouTubes and really good at explaining things IMO. I highly recommend both. Her book is not overly technical.

Look at this and decide https://en.wikipedia.org/wiki/Abundance_of_the_chemical_elements#/media/File:Elements_abundance-bars.svg

personally I think they are but there is also the unreasonably low amount of Perfect square elements which is strange

At this scale though the black hole would rapidly evaporate due to hawking radiation. So I don't think a black hole of only a few quarks could be considered stable enough to count. It would cease to exist quicker than it could be measured.

the way you described it it would seem like dark matter is infact primordial black holes that get stuck at a plank length

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Are prime odds less prevalent than nonprime odds?

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2.17645×10^-8 kg or 1.088225×10^-8 kg

1 Planck mass or 0.5 Planck mass

Those would make black holes with a radius of 1 Planck length or a diameter of said length. The reason nobody knows which is which is because we aren't sure how things are "rounded" at Planck scales

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They use mice that are either purchased or bred for the research. They might use genetic knockout mice or just wild type depends on the project. Presumably if you injected a juman with it a tumor would grow but this is not allowed in most countries

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PBS Spacetime plug.

its free on youtube, they're very good at explaining difficult concepts that build on previous episodes. plus, its got good graphics that represent the concepts they're trying to build.

the host is an astrophysicist lecturer, they go as far as they can without having to learn the maths.

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Here is a bit more about the function implications for lefties:

https://www.rightleftrightwrong.com/brain.html

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Small black holes evaporate faster than large black holes. If you have a black hole with mass as low as 50 neutron masses, it would basically decay instantly, releasing all its energy in a tiny explosion of light and particles. Even a black hole with a mass of 1 kg would only take 10^-16 seconds to evaporate.

Duff, Kelly and Kidd are the most clinically significant after AB0 and Rh. They are not generally reported in blood typing blood tests, instead a "screening" is performed. Here a general test of the presence of the most common antibodies in the patient's blood is done (so not the antigens on the blood cells).

In addition, you can do a "cross match" where donor blood is exposed to patient plasma to check for incompatibility

Just wanna point something out about Fluorine (not fluoride :p)

You’ll find that the even numbered elements tend to be far more abundant than the odd numbered elements. It’s because of the way massive stars use Helium as the basic building blocks of the elements. They can H to He, He to C, start fusing He and C to make O, He and O can make Ne, C and C can make Mg, O and O can make Si ..,

When you start with Helium, which has an atomic number of 2, and you fuse them you get 4, fuse more you can end up with 6, 8, 10, 12 etc, massive stars keep fusing heavier elements and use Helium , and it leaves us with an abundance of even numbered elements. About 10x more than the odd numbered (besides Hydrogen)

Cool thanks interesting to know