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Category: biological

Alterar a natureza da natureza.

Inovadores estão trabalhando em direção a um mundo no qual a matéria viva é totalmente programável por meio da biologia sintética onde as pessoas já não são apenas consumidores de tecnologia, mas os cidadãos de um mundo tecnológico.

Isto é o que eu explorei no episódio 3 das explorações, como a biologia sintética está mudando a natureza da Natureza.

Você é a biologia, eu sou a biologia, a Terra é a biologia — e tudo isso é cada vez mais programável. Com o poder de projetar e crescer o nosso futuro, que tipo de mundo que você vai ajudar a construir?

#TheWorldWeBuild
Por Bryan Johnson.

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I consider myself a collector of sorts. I collect strange, bizarre notions and theories that warp traditional narratives about reality and existence. The following is a presentation of 10 of my favorite mind-blowing theories. There is compelling evidence for each, but you certainly don’t – and, for the sake of your sanity, probably shouldn’t – need to take them as gospel.

1. The Singularity: We will transcend biology and live as posthuman Gods.

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Thanks to a sleek new computer chip developed by IBM, we are one step closer to making computers work like the brain.

The neuromorphic chip is made from a phase-change material commonly found in rewritable optical discs (confused? more on this later). Because of this secret sauce, the chip’s components behave strikingly similar to biological neurons: they can scale down to nanometer size and perform complicated computations rapidly with little energy.

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They discovered genetically engineered bacteria’s response to shocks.

Genetically engineered E coli bacteria responds to electric shocks by producing a fluorescent protein that can be used as a light source. A team of undergraduate scientists at Newcastle University have created a lightbulb made up of living matter.

Like any other electric bulb, the living light glows to illuminate a room, but is made by replacing some of the traditional electric components in a lightbulb circuit with biological parts.

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UNIVERSITY PARK, Pa. — Someday, chemically protective suits made of fabric coated in self-healing, thin films may prevent farmers from exposure to organophosphate pesticides, soldiers from chemical or biological attacks in the field and factory workers from accidental releases of toxic materials, according to a team of researchers.

“Fashion designers use natural fibers made of proteins like wool or silk that are expensive and they are not self-healing,” said Melik C. Demire l, professor of engineering science and mechanics. “We were looking for a way to make fabrics self-healing using conventional textiles. So we came up with this coating technology.”

The procedure is simple. The material to be coated is dipped in a series of liquids to create layers of material to form a self-healing, polyelectrolyte layer-by-layer coating.

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According to theoretical physicist and super-genius Stephen Hawking, “The human race is just a chemical scum on a moderate-sized planet orbiting round a very average star in the outer suburb of one among a hundred billion galaxies.” Indeed, to most modern scientists we are nothing more than an entirely random ‘happy accident’ that likely would not occur if we were to rewind the tape of the universe and play it again. But what if that is completely wrong? What if life is not simply a statistical anomaly, but instead an inevitable consequence of the laws of physics and chemistry?

A new theory of the origin of life, based firmly on well-defined physics principles, provides hefty support for the notion that biological life is a “cosmic imperative”. In other words, organic life had to eventually emerge. If such a theory were true, it would mean that it is very likely that life is widespread throughout the universe.

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Could humans regrow limbs? Genetic switches for regenerating tissue are traced back 420 million years…

But ultimately the researchers hope to see if the mechanism could be exploited to allow humans to regenerate limbs themselves, although they warn it could be several decades before that is possible.

Dr Yin said: ‘It depends on the pace of discovery, which is heavily dependent on funding.’

Dr Kevin Strange, president of MDI Biological Laboratory, added: ‘Scientists here are studying an evolutionarily diverse range of animals to gain insight into the genetic mechanisms underlying the repair and regeneration of complex tissues and why these processes are poorly active in humans.

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Magine a future in which hyper-efficient solar panels provide renewable sources of energy, improved water filters quickly remove toxins from drinking water, and the air is scrubbed clean of pollution and greenhouse gases. That could become a reality with the right molecules and materials.

Scientists from Harvard and Google have taken a major step toward making the search for those molecules easier, demonstrating for the first time that a quantum computer could be used to model the electron interactions in a complex molecule. The work is described in a new paper published in the journal Physical Review X by Professor Alán Aspuru-Guzik from the Department of Chemistry and Chemical Biology and several co-authors.

“There are a number of applications that a quantum computer would be useful for: cryptography, machine learning, and certain number-theory problems,” Aspuru-Guzik said. “But one that has always been mentioned, even from the first conceptions of a quantum computer, was to use it to simulate matter. In this case, we use it to simulate chemistry.”

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Amazing and can serve many areas.

(DOE/Lawrence Livermore National Laboratory) In work that aims to protect soldiers from biological and chemical threats, a team of Lawrence Livermore National Laboratory scientists has created a material that is highly breathable yet protective from biological agents.

This material is the first key component of futuristic smart uniforms that also will respond to and protect from environmental chemical hazards. The research appears in the July 27 edition of the journal, Advanced Materials.

High breathability is a critical requirement for protective clothing to prevent heat-stress and exhaustion when military personnel are engaged in missions in contaminated environments. Current protective military uniforms are based on heavyweight full-barrier protection or permeable adsorptive protective garments that cannot meet the c, ritical demand of simultaneous high comfort and protection, and provide a passive rather than active response to an environmental threat.

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