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Index » Regional/Local » USA/Canada » Evolution! Page: 1, 2, 3 ... 116, 117, 118  Next
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miamizsun

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Location: (3261.3 Miles SE of RP)
Gender: Male


Posted: Sep 10, 2016 - 7:18am

 R_P wrote: 
i saw this yesterday

and it brings up serious issues

super harmful bacteria/viruses created or inadvertently directed by us using old or outdated technology

so three scenarios?

use digital editing tech to:

modify the bad bacteria to render it less harmful

modify the good bacteria to "minimize" the bad

modify human behavior or humans to be immune or as immune as possible to harmful these things

or a bit of each

btw have you seen or heard of andrew hessell?

i've posted a lot of his work here

biology is being digitized at an exponential rate which basically means it is computer code and could be edited and/or written

progress in this area (the biological action sciences) is (for lack of a better term) hopping on the back of moore's law

he is behind several projects to engineer viruses to fight cancer and other good stuff

regards


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Posted: Sep 9, 2016 - 8:08pm

Stunning Videos of Evolution in Action
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Location: Back Home Again in Indiana
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Posted: Jun 7, 2016 - 2:34pm




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Posted: May 18, 2016 - 5:26am

Complex life a billion years earlier than thought?
Organic fragments extracted from the host rock of the Gaoyuzhuang macroscopic fossils showing well-preserved cellular structure. Credit: Maoyan Zhu.
Researchers said Tuesday they had uncovered fossils showing that complex life on Earth began more than 1.5 billion years ago, nearly a billion years earlier than previously thought.

But the evidence, published in Nature Communications, immediately provoked debate, with some scientists hailing it as rock solid, and others saying they were wholly unconvinced.

After first emerging from the primordial soup, life remained primitive and unicellular for billions of years, but some of those cells eventually congregated like clones in a colony.

Scientists even took to calling the later part of this period the "boring billion", because evolution seemed to have stalled.

But at some point there was another huge leap—arguably second in importance only to the appearance of life itself—towards complex organisms.

This transition progressively gave rise to all the plants and animals that have ever existed.

Exactly when multi-cell eukaryotes—organisms in which differentiated cells each contain a membrane-bound nucleus with genetic material—showed up has inflamed scientific passions for many decades.

The new study is sure to enrich that tradition.

"Our discovery pushes back nearly one billion years the appearance of macroscopic, multicellular eukaryotes compared to previous research," Maoyan Zhu, a professor at the Nanjing Institute of Geology and Palaeontology, told AFP.

The fossils were uncovered in Hebei Province's Yanshan region, where Mao Zedong and his communist army hunkered down during World War II before coming to power.

Zhu and colleagues found 167 measurable fossils, a third of them in one of four regular shapes—an indication of complexity. (...)

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Posted: May 6, 2016 - 8:04pm

Fossil Hunters Uncover 71-Million-Year-Old Trove in Antarctica
After a plane flight, boat ride, helicopter lift and a lot of hiking, the scientists returned with a massive cache of fossils


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Posted: May 4, 2016 - 1:15am

Endangered venomous mammal predates dinosaurs' extinction, study confirms
Researchers have sequenced the mitochondrial genome of the endangered solenodon, a venomous insectivore that diverged from other living mammals 78 million years ago.

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Posted: Apr 9, 2016 - 7:34pm

In Science, It’s Never ‘Just a Theory’

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Posted: Mar 28, 2016 - 4:15pm

Top 10 Design Flaws in the Human Body
From our knees to our eyeballs, our bodies are full of hack solutions.
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Posted: Mar 17, 2016 - 3:49pm


Red_Dragon

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Posted: Mar 16, 2016 - 4:07pm

 R_P wrote:


 
I sincerely hope so.
R_P
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Posted: Mar 16, 2016 - 4:06pm


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Posted: Mar 14, 2016 - 3:43pm

Small, brainy tyrannosaur sheds light on how T. rex evolved
Horse-sized Timurlengia euotica lacked massive, bone-snapping teeth, but was agile, with good hearing

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Posted: Feb 17, 2016 - 5:40am

What Sparked the Cambrian Explosion?
An evolutionary burst 540 million years ago filled the seas with an astonishing diversity of animals. The trigger behind that revolution is finally coming into focus

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Posted: Feb 15, 2016 - 3:42pm

Mystery 'hobbits' not humans like us: study

Diminutive humans that died out on an Indonesian island some 15,000 years ago were not Homo sapiens but a different species, according to a study published Monday that dives into a fierce anthropological debate.

Fossils of Homo floresiensis—dubbed "the hobbits" due to their tiny stature—were discovered on the island of Flores in 2003.

Controversy has raged ever since as to whether they are an unknown branch of early humans or specimens of modern man deformed by disease.

The new study, based on an analysis of the skull bones, shows once and for all that the pint-sized people were not Homo sapiens, according to the researchers.

Until now, academic studies have pointing in one direction or another—and scientific discourse has sometimes tipped over into acrimony.

One school of thought holds that so-called Flores Man descended from the larger Homo erectus and became smaller over hundreds of generations.

The proposed process for this is called "insular dwarfing"—animals, after migrating across land bridges during periods of low sea level, wind up marooned on islands as oceans rise and their size progressively diminishes if the supply of food declines.

An adult hobbit stood a metre (three feet) tall, and weighed about 25 kilos (55 pounds).

Similarly, Flores Island was also home to a miniature race of extinct, elephant-like creatures called Stegodon.

But other researchers argue that H. floresiensis was in fact a modern human whose tiny size and small brain—no bigger than a grapefruit—was caused by a genetic disorder.

One suspect was dwarf cretinism, sometimes brought on by a lack of iodine. Another potential culprit was microcephaly, which shrivels not just the brain and its boney envelope.

Weighing in with a new approach, published in the Journal of Human Evolution, a pair of scientists in France used high-tech tools to re-examine the layers of the "hobbit" skull. (...)

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Posted: Feb 8, 2016 - 1:35pm

Human evolution is more a muddy delta than a branching tree

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Posted: Jan 15, 2016 - 5:00am

Grisly find suggests humans inhabited Arctic 45,000 years ago | Science | AAAS
To hunt mammoths in the Arctic, humans had to have the hunting tools, insulated clothes and shelter to survive in the Arctic.
Genetic data does not support ancient trans-Atlantic migration
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Posted: Jan 10, 2016 - 7:19am

Gene tweak led to humans’ big toe | Science News
Decrease in bone-building protein helped enable upright walking
TRUE BLUE The blue coloring in this mouse embryo shows that a genetic switch that controls production of a bone- and tissue-building protein turns on genes in the lower half of the embryo’s body.
Proclivities
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Posted: Nov 4, 2015 - 9:34am


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Posted: Sep 20, 2015 - 5:08pm

'Tree of life' for 2.3 million species released
Large, open-access resource aims to be 'Wikipedia' for evolutionary history

::
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Posted: Sep 19, 2015 - 3:03pm

Is Homo naledi just a primitive version of Homo erectus? · John Hawks

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