Nanoporous Xerogels “Sniff Out” Bad Bacteria

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XerogelBacteria were among the first life forms to appear on the face of the Earth and have the uncanny ability to overcome even the harshest of environments, from acidic hot springs to the ice-fields of the poles and deep portions of the Earth’s crust. They are so abundant, that they make up the majority of the total biomass on earth. Astonishingly, nearly 90% of the cells that move around with humans are actually bacteria [1], though since they are so much smaller than human cells, they make up only about 10 percent of our body-weight. Continue reading

Brain Jelly – An Organic, Brain-Like Computer without Circuits or Logic Gates

Jelly brain-FINAL copyThe human brain is the most powerful computer the world has ever seen. With its 86 billion neurons [1], less than originally thought (~100 billion, a myth of unknown origin [2]), the human brain is still at the top of the list and capable of remarkable feats, not only as far as computing power is concerned, but it is capable of self-programming, reasoning, data storage, and affords intelligence; at least in most cases. By comparison, digital computers are dumb slaves that do the bidding of their masters, the programmers, and rely on fixed nuts and bolts for their functioning. Furthermore, even the fastest computer currently in service, the Chinese NUDT Tianhe-2 with a capacity of 33.86 petaFLOPS (1015 FLoating-point Operations Per Second) [3], is only capable of handling one problem at a time and sequentially one bit at a time. The human brain’s computing is significantly slower, but Continue reading