1 Well, those signs are also great Opportunities for Improvement.  It means, we can always improve on something in our lives as a human being, as part of a society, as part of a company, as part of the world, living in this environment.
Cryptosporidiosis (crypto) is an illness caused by a parasite. The parasite lives in soil, food, and water. It may also be on surfaces that have been contaminated with feces (poop). You can become infected by swallowing the parasite, if it is in your food, drinking water, or water that you swim in. You can also get it by touching your mouth with contaminated hands.
Asymmetric Cryptography. Public-key cryptography; A modern branch of cryptography in which the algorithms employ a pair of keys (a public key and a private key) and use a different component of the pair for different steps of the algorithm.