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The Weekend Edition

Scientists Have Observed Epigenetic Memories Being Passed Down For 14 Generations

Signe Dean Sciencealert
April 23, 2017
Beacham is looking at the face recognition system in the AR section of his lab. It will enable plant managers to ensure that workers at specific workstations have the required training Image credit: GE Reports."
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The Weekend Edition

Octopus And Squid Evolution Is Officially Weirder Than We Could Have Ever Imagined

Signe Dean Sciencealert
April 09, 2017

They edit their own genes!

 

 

Just when we thought octopuses couldn't be any weirder, it turns out that they and their cephalopod brethren evolve differently from nearly every other organism on the planet.

In a surprising twist, scientists have discovered that octopuses, along with some squid and cuttlefish species, routinely edit their RNA (ribonucleic acid) sequences to adapt to their environment.
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5 Coolest Things On Earth This Week

Tomas Kellner
March 18, 2016
In this week’s haul of news about scientific discoveries, we found stories about a pregnant dinosaur, the oldest decoded “ancient human” DNA and how selfless driving could lead to fewer traffic jams. Take a look.
 

 

 

Scientists Find a “Pregnant” T-Rex
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genetics

The Ultimate Coders: Revolutionary New Tool Can Rewrite DNA

October 01, 2015
At the most fundamental level, we are all code. The typical human body is an assembly of some 37 trillion cells, and each holds all the information needed to make a complete human being.
Our DNA, the double-stranded helix responsible for heredity, contains 3 billion letters that dictate everything from hair and skin color to blood type. In fact, DNA is the most important identity document we will ever carry. Besides random mutations and damage, it doesn’t change from the day we’re born.
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Perspectives

Why Advanced Materials are Drivers for the Future Economy — Q&A with Angela Belcher

GE Look Ahead
Angela Belcher Massachusetts Institute Of Technology
November 07, 2014
Carbon fibre composites, ceramics, nanomaterials and other advanced materials with high-performance characteristics are increasingly finding their way into automobiles, building materials, clothing and other large consumer-oriented markets. Demand for carbon fibre-reinforced plastic is expected to grow 15% annually through 2020, for example, according to Deloitte.
 
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Mike Johns: Healthcare's New Home: Everywhere

Mike Johns University Of Michigan
September 25, 2014
”I’ve never had but one wrinkle, and I’m sitting on it,” said Jeanne Calment, who died of natural causes at age 122 as the oldest person on record in 1997.
 

While you can argue the actual number of wrinkles on her body, it’s more interesting to consider how Calment lived so far beyond average life expectancy when the vast majority of human lives are cut short by disease.
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