Last Commented Science Blogs (317)

Scientists Have Observed Epigenetic Memories Being Passed Down For 14 Generations

SIGNE DEAN27 APRIL 2018

"The most important set of genetic instructions we all get comes from our DNA, passed down through generations. But the environment we live in can make genetic changes, too.

Last year, researchers discovered that these kinds of environmental genetic changes can be passed down for a whopping 14 generations in an animal – the largest span ever observed in a creature, in this case being a dynasty of C. elegans nematodes (roundworms).


To study how long the environment can leave a mark on genetic expression, a team led by scientists from the European Molecular Biology Organisation (EMBO) in Spain took genetically engineered nematode worms that carry a transgene for a fluorescent protein. When activated, this gene made the worms glow under ultraviolet light.

Then, they switched things up for the nematodes by changing the temperature of their containers. When the team kept nematodes at 20° Celsius (68° F), they measured low activity of the transgene - which meant the worms hardly glowed at all.

But by moving the worms to a warmer climate of 25° C (77° F), they suddenly lit up like little wormy Christmas trees, which meant the fluorescence gene had become much more active.

Their tropical vacation didn't last long, however. The worms were moved back to cooler temperatures to see what would happen to the activity of the fluorescence gene.

Surprisingly, they continued to glow brightly, suggesting they were retaining an 'environmental memory' of the warmer climate – and that the transgene was still highly active.

Furthermore, that memory was passed onto their offspring for seven brightly-glowing generations, none of whom had experienced the warmer temperatures. The baby worms inherited this epigenetic change through both eggs and sperm."

(due to the character limitation in CS blogs - the remainder of the article can be found at the following link)

Depending on the source, it's said Thomas Edison invented the incandescent light bulb and had upwards of 10,000 failed experiments prior to success.
From what I've read, Edison was in a race for time as several European inventors were also doing similar experiments and that incandescent lighting was already in existence.

What he did, is come up with a patent on a commercially successful bulb with a viable filament.

An Ancient frog species named after Kermit the Frog by scientists


Kermit the Frog has been around since 1955 – but a new Kermit on the block was actually around much longer ago.


Scientists have uncovered a fossil of an ancient 270-million-year-old amphibian ancestor, and named it after him.

Maybe when you were younger, you wanted to be a Space Cadet. Don't despair... You still have a chance as NASA is taking applications! While the odds are slim, you have to be a U.S. citizen and you must pass the astronaut physical exam.
There is no age limit or 20/20 vision requirement and don't worry that NASA set a high bar for education.
They are looking for applicants with a master’s degree in science, technology, engineering or mathematics, followed by at least three years of related professional experience.
I'm sure (for a price) you can find someone on the dark web who can print your diploma and a tech company to vouch for your employment.

“The trip to Mars is six to nine months,” he said. “You’re going to be away from familiar for more than a year, one to three years. Are you really ready for that?”



Link:

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the politics of Time./ Minutemen
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.......A R ] Times UP./ living colour.
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.... When we see such a distribution of percentages, many find such to be intriguing. Does it represent striking new information, prompting the search for valid scientific ways to explore a new hypothesis, on some possible connection in life? Or is it merely the result of tree top confounding and other bias in gathering of data? Well---
This is the exit poll breakdown of US voters. the lower value is for Republicans voting for Mr. Trump, the higher, for dem Dems. In no other USA sociopolitical defined area is the difference anywhere near these extremes. VERY extreme.
For example, alt leftie Californicate, and Vermental -vermont, each hover around 30 to 60 %, respectively.

Who would be surprised that this finding is for Washington, DC?

The use of the descriptive term "SWAMP", indeed fits. The seat of over-administered, bureaucratic government corruption, height of inefficiencies, benefits in employment long gone for real workers in the dreaded private sector (pay, pensions, benefits), and rank nepotism, ---well, don't these folks have much to loose? From an rank upstart outsider, no less.

Mr. Trump is an existential threat to people of their ilk, and to their MSN pundits and wanker wonks. So the expressions of hate really are more signs of fear, than anything else.

Don't just take my words for it. See it everywhere.

Satellite imagery of the exact location of the Garden of Eden.