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Scientific Sense Podcast

Wednesday, January 30, 2019

The Chicago constant

Professor Hubble of Chicago proposed and measured a single number, with such broad implications that a century later we are still trying to figure it out (1). The fate of the universe, no less, rests on the thoughts of a singular individual from the Southside. Candles and CMB seem to disagree so closely that God should be chuckling as She let the humans seek unattainable truth as they vanish. But the accomplishments of a single individual, Hubble, cannot be underestimated.

The engineers got LIGO and those who do not have access, simpler ideas. Could we not understand if we expand into darkness or simply converge back into heat and fury? Could we not understand that an ailing World, a spec in the universe, does not matter? Could we not understand that the short horizons we are afforded are so ephemeral that counting money and power are useless? Could we not understand walls and hatred do not solve problems? Could we not understand only those hypotheses that are well supported by "grants," are proved and the rest not. Could we not understand that outcomes are mostly based on initial conditions and not capabilities, competence or assertions?

A single number, invented by an advanced human being, hangs in the balance. It is ironic.

(1) https://www.scientificamerican.com/article/the-universes-fate-rests-on-the-hubble-constant-mdash-which-has-so-far-eluded-astronomers1/#googDisableSync

Wednesday, January 23, 2019

The importance of language

A recent study (1) that shows the individual's language preferences could affect what she sees is interesting. But more importantly, one has to wonder if disparate languages drive the apparent cultural, social and policy differences across the globe. If so, that will be unfortunate.

Complex language, apparently the only differentiating quality of the human animal, has gotten them far. They could communicate thoughts, innovate, memorize and survive in the Savannah. They have been creative, perhaps starting in clicks and music and progressing toward more complex structures. In the modern context, languages seem to share common roots in Indo-European, Sino-Tibetan, and Afro-Asiatic with a few unusual divergences in the Pacific and South India. But the larger three streams of language progression appear to be distinctly different in architecture, specialization, and use. If the general hypothesis that language shapes one's comprehension is true, we may have separated ourselves into three different worlds (not to mention smaller ones in the Pacific and South India), purely by chance.

The human brain has been trying to cope with language forever. Language is an unnatural leap for the animal and the brain could not have coped with the idea without great effort. Reinforcement learning would have led the three cohorts of humans into a higher and higher association of language with outcomes. Thus, they would likely reject observations from outside that do not fit. Their science, religion, closely follows with few cultural variations. And, their organizational philosophy, objective functions, and expectations have diverged significantly.

A technology that integrates the three distinctly different streams of language could be a necessary condition for humans to make the next leap.

(1) https://www.scientificamerican.com/article/our-language-affects-what-we-see/

Monday, January 21, 2019

Is this what we really want?

Recent news (1) that a single digital photograph could predict genetic diseases, demonstrates where humans are heading.  Now, not only hardware but also behavior (2) is predictable. We are fast approaching a regime in which both a newborn's lifespan and her expected contribution to society are predictable at birth. This has broad implications for policy.

It is important to revisit the human objective function. What exactly are we trying to maximize?. Are we trying to maximize societal utility - aggregate happiness of 7.4 billion people across the world? Are we trying to segregate and locally optimize? If so, are we considering time as an axis? Without such a notion, tactical optimization is likely to fail.

In a regime where an individual's expected contributions are predictable, a utilitarian society could cull and advance at the expense of humanity. Mathematics could override emotions and ultimately, humans. Is this what we really want? More fundamentally, is a human an aggregation of her memories? If so, are those memories valuable in the context of a societal objective function?

It appears that it ultimately comes down to what humans want to maximize. A planet spinning in distress could go on for another 4 billion years but more likely will be eliminated by an asteroid collision in significantly less time. If so, should we not attempt to maximize tactical happiness? Should we not attempt to lift 7.4 billion from distress and sorrow? Why do few humans with immense resources not understand the construct of the universe?

It is certainly depressing, but then it has always been.

(1)https://www.sciencemag.org/news/2019/01/artificial-intelligence-could-diagnose-rare-disorders-using-just-photo-face

(2) https://www.sciencemag.org/news/2019/01/people-can-predict-your-tweets-even-if-you-aren-t-twitter

Saturday, January 19, 2019

Aging...

Recent news (1) that the components of the microbiome has significant predictive power in the host's age is interesting. The dance between bacteria and other biological entities has been continuing for over 4 billion years. During that time, the first occupants of the planet, have substantially expanded their ability to manage and control every other entity. Now, they demonstrate species wide optimization based on the host's state and it is exciting and possibly, scary. They have shown efficient communication between members of a society and it is possible they are practicing a broader design.

Bacteria, the most beautiful, potent and strategic biological entity in the universe, may have arrived on Earth hitching a ride on an asteroid. They have been busy ever since. They may have aided the development of more complex biological designs for future harvesting or as an enclosure for a sojourn. Such is the power of the single cell entity that they could eliminate entire species within measurable timescales. Humans, the least robust of available substrates, arrested the advance of a superior entity by cobbling together agents from soil under their feet. But now, we are regressing to the past as more powerful bacteria arrive with an ambition to wipe out the miserable lot.

The human enclosure has been profitable for bacteria. They could influence the organ that sends out instructions across the substrate from the gut. And, that gave them immense power to design and control large entities at will. Now, species wide collaboration indicates an understanding of time and the impending demise of the tactical enclosure.

It is ironic that the blue planet has a singular owner.

(1) https://www.sciencemag.org/news/2019/01/bacteria-your-gut-may-reveal-your-true-age