Today: 2018

Oct 19, 2018

LATEST World News, Oct 19, 2018

Donald Trump vows 'severe punishment' if Saudi Arabia murdered ...


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KHASHOGGI, Journalist, News, Oct 19, 2018

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PRINCE Harry and Meghan Markle i Australia News, Oct 19, 2018

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Stephen Hawking Said 'Superhumans' Will Replace Us. Was He Right?, Oct 19, 2018

Stephen Hawking Said 'Superhumans' Will Replace Us. Was He Right?

Are we all going to be replaced?
Stephen Hawking apparently thought so. In the grand tradition of famous physicists making claims about subjects beyond their scope of expertise, the great British theorist left behind a collection of essays in which he speculated about and predicted the human future. In one essay, published Oct. 14 in the Sunday Times, Hawking argued that humanity risks being replaced by genetically modified "superhumans."

The Neil Armstrong Biopic ‘First Man’ Captures Warly Spaceflight's Terror, Oct 19, 2018

Ryan Gosling as Neil Armstrong in First Man
First Man is not a movie about the moon landing.

The Neil Armstrong biopic, opening October 12, follows about eight years of the life of the first man on the moon, and spends about eight minutes depicting the lunar surface. Instead of the triumphant ticker tape parades that characterize many movies about the space race, First Man focuses on the terror, grief and heartache that led to that one small step.

GENE Editing Creates Mice with Two Biological Dads for the First Time, Oct 19, 2018

mouse pup
For the first time, researchers have created mice with two dads. No female contributed to the rodents’ genetic makeup.
This unusual reproduction took place in a lab where researchers gathered fathers’ stem cells, and used them to produce embryos that were implanted into surrogate mothers. The technique required scientists to edit the animals’ genes in order for the mice to mature enough to be born. Even so, mouse pups with only fathers died a few days after birth, researchers report October 11 in Cell Stem Cell. By contrast, previous research and this study have shown that some gene-edited mice with only mothers can survive to adulthood and have offspring of their own.
The researchers did the experiments to learn why mammals can reproduce only sexually — requiring two parents of the opposite sex — while other vertebrates, including turkeys, snakes and sharks, can sometimes reproduce with only one parent, says study coauthor Qi Zhou of the Chinese Academy of Sciences in Beijing. Females of those species can sometimes cause an unfertilized egg to produce offspring, a process called parthenogenesis.
Researchers have previously made zebrafish with only an individual father’s DNA. But no one before now has reported achieving male-only reproduction, or androgenesis, with mammals.
In the new work, mouse pups with two mothers were smaller than usual and had other abnormalities, the researchers found. Those deficits happened because some genes that the pups inherited from their mothers were imprinted, or marked with molecules known as methyl groups that are attached to DNA in spots near the gene. Imprinting may cause some genes to be more active and others less active.
So the researchers used a molecular scissors known as CRISPR/Cas9 to snip out three imprinted regions near important genes in stem cells that were then used to produce embryos. Of 210 of these embryos implanted in surrogate mothers, about 14 percent were born. Those gene-edited pups grew normally and became adults with normal fertility.
EXTREME MOTHERING This adult female mouse has two biological mothers. She grew up to have offspring of her own.
Leyun Wang
Making embryos from stem cells of two male mice wasn’t as successful.

UNITED NATIONS News, Oct 19, 2018

Video: Throwback to Mugabe's final UN speech as Zimbabwe ...

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INTERNET News, Oct 19, 2018


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