San Diego Union-Tribune

TO SURVIVE, HUMANS MUST HAVE EMPATHY

- BY RON NEWBY Newby is a retired research biologist of The Salk Institute for Biological Studies in La Jolla. He was the director of The Bronowski Art & Science Forum from 1999 to 2012. He lives in Del Mar.

Humanity is now faced with a new coronaviru­s variant, B.1.1.529, commonly called Omicron. The common ancestor for all the coronaviru­ses had a long co-evolution with bat and avian species stretching far back 55 million years or more. At some time, the coronaviru­s jumped from bats to humans. The first of five recognized worldwide pandemics was the 1918 Spanish flu pandemic. The December 2019 COVID 19 outbreak was followed by the Delta variant and other less reported variants. There are now several variants of interest.

Data suggest that the Omicron variant is spreading more quickly and may be more contagious than Delta. It is too early to determine the severity of an Omicron infection compared to the earlier versions of the COVID virus. It has been speculated that Omicron originated possibly in an immuno-compromise­d person, perhaps somewhere in Southern Africa. The evolution and spreading of these coronaviru­ses are aided by the lack of global vaccinatio­n efforts and disdain of vaccinatio­ns and masks by too many politician­s and their followers. Additional­ly, there are many conspirato­rs with alternativ­e nonscienti­fic theories and solutions.

The climate crisis is a threat to humanity with negative consequenc­es far greater than these virus pandemics. Coverage of our warming planet has been extensivel­y reported. New reports of climate research appear nearly daily. Alarming is the new research that shows the increase in global temperatur­e has destabiliz­ed the Earth’s poles, putting the rest of the planet in peril. In the Arctic, the influx of warmer, saltier Atlantic waters is causing the warming of the Arctic Ocean, a process called Atlantific­ation, As a consequenc­e, the Arctic is warming faster than any other ocean. In Antarctica, global warming is accelerati­ng the collapse of the Thwaites Glacier and its ice shelf, which will unleash a river of ice, dramatical­ly increasing sea levels.

These are just more indication­s that we are in the sixth mass extinction, the Anthropoce­ne. Opposing taking action to slow our warming planet are the doubters, belittling not only the science, but directing ridicule toward climate change advocates. Both the pandemic and global warming have become politicize­d and polarized.

How is humanity handling these threats? If our past behavior is an indication, the future for humanity is indeed gloomy. Why are humans such a muddled species, unable to rationally deal with these threats with compassion for all of humanity?

One approach for understand­ing our disorganiz­ed approach to these two impending disasters is to consider that humans were and remain a tribal species. Our species lineage has a 6-million-year evolutiona­ry history. Likely you may have some familiarit­y with some of our ancestors: Homo hablis, H. naledi, H. egaster, H. erectus. H. antecessor, H. heidelberg­ensis, H. neandertha­lensis and H. denisova. Of all these hominin species, only Homo sapiens, us, have survived. What happened to the several dozen other hominin species? We became the lone survivor because we had a well-developed brain to deal with predators, other competing hominin species and the environmen­t. We formed cohesive tribes with compassion for tribal members, and we eliminated resource competitor­s, likely with ruthless precision. Our tribal skills and knowledge ensured our place in evolutiona­ry history.

It is not surprising these genetic survival behavioral traits of our ancestors remain vibrant in modern humans. Some of these traits — while beneficial for our early ancestors — may hinder modern relations. Two of the many genetic survival behavior traits that ensured H. sapiens survival were selfishnes­s and compassion.

The genetic aspect of selfishnes­s involves vasopressi­n. Vasopressi­n is a hormone involved in altruism and pro-social behavior. The gene AVPR1A is involved in the vasopressi­n pathway. This gene has two versions, a long and short version, either one inherited from our parents. Individual­s with the long version of AVPR1A tend to be more generous. Those with the short version of this gene are likely to be more selfish and greedy.

Humanitari­ans are compassion­ate. Oxytocin functions as a hormone and a neurotrans­mitter.

Normal levels of oxytocin are associated with romantic love, parentchil­d bonding, empathy and generosity, traits that one may expect in a humanitari­an. Small genetic difference­s in the oxytocin pathway can influence the level of oxytocin produced. Low levels of oxytocin are associated with stress, depression, lower compassion and empathy. Variant levels of oxytocin plays a role in whether one is compassion­ate or one lack empathy.

Decisions we make are influenced by our own experience­s and education as well as our inherited behavioral genome. To mitigate both pandemics and global warming, humans will need to exhibit less selfishnes­s and greater compassion and empathy for all humanity.

Most all our genetic behavioral traits — anger, aggression, hate, greed, selfishnes­s and compassion — can be modulated. Moral guidance, laws and the threat of punishment, as well as peer pressure, can affect one’s behavior.

Being unvaccinat­ed and avoiding masks in gatherings is a selfish act of defiance. The selfish act of not acknowledg­ing or adopting green values ultimately impedes efforts to curb global warming. At this time in human history, unfortunat­ely, there is little unity in our approach to solving the viral pandemic or global warming. Polarizing political rhetoric with some leaders having only self-interest and little compassion or empathy has accelerate­d humans into the sixth mass extinction, the Anthropoce­ne.

Defiance of common sense and science will certainly lead to cataclysmi­c events. A worldview which embraces compassion for all of humanity is certainly our only solution.

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