The latest scarily impressive robot from Boston Dynamics ...
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Just a thought, but couldn't you change the direction that a golf ball moves by having an internal mechanism that changes its center of gravity?
Translocation of tattoo particles from skin to lymph nodes. Upon injection of tattoo inks, particles can be either passively transported via blood and lymph fluids or phagocytized by immune cells and subsequently deposited in regional lymph nodes. After healing, particles are present in the dermis and in the sinusoids of the draining lymph nodes.
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... I have not seen evidence for the notion that the driving mechanism of evolution is natural selection of beneficial mutations, usually DNA copying errors. I’ve searched for experimental confirmation of this and can’t seem to find it. How can we assert this is the mechanism? How do we know this, experimentally?
This was in-line with the answer I gave, although it's nice now to have that reference ...
Finding the needle in the haystack: Differentiating “identical” twins in paternity testing and forensics by ultra-deep next generation sequencing.https://www.sciencedirect.com/science/article/pii/S1872497313002275
Monozygotic (MZ) twins are considered being genetically identical, therefore they cannot be differentiated using standard forensic DNA testing. Here we describe how identification of extremely rare mutations by ultra-deep next generation sequencing can solve such cases. We sequenced DNA from sperm samples of two twins and from a blood sample of the child of one twin. Bioinformatics analysis revealed five single nucleotide polymorphisms (SNPs) present in the twin father and the child, but not in the twin uncle. The SNPs were confirmed by classical Sanger sequencing. Our results give experimental evidence for the hypothesis that rare mutations will occur early after the human blastocyst has split into two, the origin of twins, and that such mutations will be carried on into somatic tissue and the germline. The method provides a solution to solve paternity and forensic cases involving monozygotic twins as alleged fathers or originators of DNA traces.
Gradl and his team took samples from a pair of male twins and looked at the entire three-billion-letter sequence, and they found a few dozen differences in their DNA.https://www.bbc.co.uk/news/magazine-25371014
The scientists also tested the son of one of the men, and found he had inherited five of the mutations from his father.
Having analysed the results, they are confident that they can now tell any twin from another, and from their children.
My main question, of course, is can anyone tell me if it's possible to take a sample of this rock wall and test it in a laboratory to determine the age of the rock and therefore the time of the last eruption?
But, how on earth you get (evolutionary speaking) butterfly metamorphosis, where the whole caterpillar gets transformed?"
Are there items we put inside the bladder and stay there permanently?
Also the two bones have some solid gelatine layer.I think you mean cartilage ...
Gang stalking, interesting fact .....