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Archive for the ‘existential risks’ category: Page 68

Aug 30, 2020

An asteroid the size of a high-rise will fly near Earth on September 1

Posted by in categories: asteroid/comet impacts, existential risks

It is reported that the dimensions of the celestial body are from 22 to 49 meters. According to the space agency, at the minimum distance to the planet – about 120 thousand kilometers – the asteroid will come up at 19.12 Moscow time. The asteroid is moving at 8.16 kilometers per second.

Note that the celestial body was discovered on March 2, 2011. It belongs to the group of “Apollo”, that is, asteroids, whose flight paths cross the Earth’s orbit.

Aug 23, 2020

NASA: An Asteroid Will Come Close To Earth Right Before Election Day

Posted by in categories: asteroid/comet impacts, biotech/medical, existential risks

Amid a pandemic, civil unrest and a divisive US election season, we now have an asteroid zooming toward us.

On the day before the presidential vote, no less.

Yep. The celestial object known as 2018VP1 is projected to come close to Earth on November 2, according to the Center for Near Earth Objects Studies at NASA’s Jet Propulsion Laboratory.

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Aug 21, 2020

An asteroid is on possible collision course with Earth this November: Should we be worried?

Posted by in categories: asteroid/comet impacts, existential risks

As if there wasn’t enough to think about these days, now there is talk of an asteroid, which is supposedly heading directly for Earth.

Aug 20, 2020

Supernova could explain extinctions at the end of the Devonian period

Posted by in categories: cosmology, existential risks

Aug. 18 (UPI) — New research suggests harmful cosmic rays from a nearby supernova might have caused the extinction events that form the boundary between the Devonian-Carboniferous periods.

Around 360 million years ago, a lengthy period of biodiversity declines culminated in a series of extinction events that saw 19 percent of all families and 50 percent of all genera disappear.

Scientists have previously unearthed a diversity of Late Devonian plant spores that show evidence of being burnt by ultraviolet light, signs of a prolonged ozone-depletion event.

Aug 19, 2020

Ancient Extinction Event Likely Triggered By Nearby Supernova, Says New Paper

Posted by in categories: cosmology, existential risks

Astrophysical detectives point to a cosmic supernova explosion or explosions to explain ancient extinction events here on Earth.

Aug 19, 2020

Asteroid makes closest fly-by of Earth on record — and NASA didn’t see it until after the close shave

Posted by in categories: asteroid/comet impacts, existential risks

An asteroid the size of a car has flown past Earth closer than any seen before without hitting the planet — and NASA admits: “We didn’t see it coming.”

Known as asteroid 2020 QG, NASA said the space rock passed 1,830 miles (2,950 km) above the southern Indian Ocean on Sunday.

If it had actually been on an impact trajectory, it would likely have become a “fireball” as it broke up in the Earth’s atmosphere, the US space agency said.

Aug 17, 2020

33 Crucial Terms Every Futurist, Transhumanist, and Philosopher Should Know Going Forward

Posted by in categories: ethics, existential risks, geopolitics, life extension, neuroscience, robotics/AI, singularity, transhumanism

We can’t evolve faster than our language does. Evolution is a linguistic, code-theoretic process. Do yourself a humongous favor, look over these 33 transhumanist neologisms. Here’s a fairly comprehensive glossary of thirty three newly-introduced concepts and terms from “The Syntellect Hypothesis: Five Paradigms of the Mind’s Evolution” by futurist, philosopher and evolutionary cyberneticist Alex M. Vikoulov. In parts written as an academic paper, in parts as a belletristic masterpiece, this recent book is an exceptionally easy read for an intellectual reader — a philosophical treatise that is fine-tuned with apt neologisms readily explained by given definitions and contextually… https://medium.com/@alexvikoulov/33-crucial-terms-every-futu…a1c8b993c8

#evolution #consciousness #futurism #transhumanism #philosophy


“A powerful work! As a transhumanist, I especially loved one of the main ideas of the book that the Syntellect Emergence, merging of us into one Global Mind, constitutes the quintessence of the coming Technological Singularity. The novel conceptual visions of mind-uploading and achieving digital immortality are equally fascinating. The Chrysalis Conjecture as a solution to the Fermi Paradox is mind-bending. I would highly recommend The Syntellect Hypothesis to anyone with transhumanist aspirations and exponential thinking!” -Zoltan Istvan, futurist, author, founder of the U.S. Transhumanist Party

Continue reading “33 Crucial Terms Every Futurist, Transhumanist, and Philosopher Should Know Going Forward” »

Aug 6, 2020

New fossil discovery shows how ancient ‘hell ants’ hunted with headgear

Posted by in category: existential risks

In findings published Aug. 6 in the journal Current Biology, researchers from New Jersey Institute of Technology (NJIT), Chinese Academy of Sciences and University of Rennes in France have unveiled a stunning 99-million-year-old fossil pristinely preserving an enigmatic insect predator from the Cretaceous Period—a ‘hell ant’ (haidomyrmecine)—as it embraced its unsuspecting final victim, an extinct relative of the cockroach known as Caputoraptor elegans.

The ancient encounter, locked in amber recovered from Myanmar, offers a detailed glimpse at a newly identified prehistoric ant species Ceratomyrmex ellenbergeri, and presents some of the first direct evidence showing how it and other hell ants once used their killer features—snapping their bizarre, but deadly, scythe-like mandibles in a vertical motion to pin prey against their horn-like appendages.

Researchers say the rare fossil demonstrating the hell ant’s feeding mode offers a possible evolutionary explanation for its unusual morphology and highlights a key difference between some of the earliest ant relatives and their modern counterparts, which today uniformly feature mouthparts that grasp by moving together laterally. The hell ant lineage, along with their striking predatory traits, are suspected to have vanished along with many other early ant groups during periods of ecological change around the Cretaceous-Paleogene extinction event 65 million years ago.

Jul 28, 2020

Two new high-redshift red quasars discovered

Posted by in categories: cosmology, evolution, existential risks

Using the Subaru Telescope, astronomers have identified two new dust-reddened (red) quasars at high redshifts. The finding, detailed in a paper published July 16 on the arXiv pre-print server, could improve the understanding of these rare but interesting objects.

Quasars, or quasi-stellar objects (QSOs), are extremely luminous active galactic nuclei (AGN) containing supermassive central black holes with accretion disks. Their redshifts are measured from the strong spectral lines that dominate their visible and ultraviolet spectra. Some QSOs are dust-reddened, hence dubbed red quasars. These objects have non-negligible amount of dust extinction, but are not completely obscured.

Astronomers are especially interested in finding new high– quasars (at redshift higher than 5.0) as they are the most luminous and most distant compact objects in the observable universe. Spectra of such QSOs can be used to estimate the mass of supermassive black holes that constrain the evolution and formation models of quasars. Therefore, high-redshift quasars could serve as a powerful tool to probe the early universe.

Jul 28, 2020

New paper squares economic choice with evolutionary survival

Posted by in categories: biological, existential risks, neuroscience

If given the chance, a Kenyan herder is likely to keep a mix of goats and camels. It seems like an irrational economic choice because goats reproduce faster and thus offer higher near-term herd growth. But by keeping both goats and camels, the herder lowers the variability in growth from year to year. All of this helps increase the odds of household survival, which is essentially a gamble that depends on a multiplicative process with no room for catastrophic failure. It turns out, the choice to keep camels also makes evolutionary sense: families that keep camels have a much higher probability of long-term persistence. Unlike businesses or governments, organisms can’t go into evolutionary debt—there is no borrowing one’s way back from extinction.

How biological survival relates to economic choice is the crux of a new paper published in Evolutionary Human Sciences, co-authored by Michael Price, an anthropologist and Applied Complexity Fellow at the Santa Fe Institute, and James Holland Jones, a biological anthropologist and associate professor at Stanford’s Earth System Science department.

“People have wanted to make this association between evolutionary ideas and economic ideas for a long time,” Price says, and “they’ve gone about it quite a lot of different ways.” One is to equate the economic idea of maximizing utility—the satisfaction received from consuming a good—with the evolutionary idea of maximizing fitness, which is long-term reproductive success. “That utility equals fitness was simply assumed in a lot of previous work,” Price says, but it’s “a bad assumption.” The human brain evolved to solve proximate problems in ways that avoid an outcome of zero. In the Kenyan example, mixed herding diversifies risk. But more importantly, the authors note, the growth of these herds, like any biological growth process, is multiplicative and the rate of increase is stochastic.

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