Riddle No 8: Genes and Samll Distances

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15. From the end to the beginning also can be a genetic code. The answer - and - dna

16. Although I have force they call me weak. I am one of four but only two of us work at distances to small to see. What am I?

The answer - The weak interaction (sometimes called the "weak nuclear force"). It is one of the four fundamental interactions in nature. It is one of two nuclear interactions, both called nuclear, due to their short range (so short that it is actually shorter then the radius of an atom nucleas). The weak interaction is called "weak" because it is weaker then the other nuclear interaction (usually called the "nuclear force")