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Can evolution select for evolvability? | Machines Like Us

Can evolution select for evolvability? | Machines Like Us | The virtual life | Scoop.it

Evolution does not operate with a goal in mind; it does not have foresight. But organisms that have a greater capacity to evolve may fare better in rapidly changing environments. This raises the question: does evolution favor characteristics that increase a species' ability to evolve?

For several years, biologists have attempted to provide evidence that natural selection has acted on evolvability. Now a new paper by University of Pennsylvania researchers offers, for the first time, clear evidence that the answer is yes.

The senior author on the study, published in the journal PLOS Pathogens, is Dustin Brisson, an assistant professor in the School of Arts and Sciences' Department of Biology. His coauthors include Penn's Christopher J. Graves, Vera I. D. Ros and Paul D. Sniegowski, and the University of Kentucky's Brian Stevenson.

"It's not controversial that populations evolve and that some traits are more apt to evolve than others," Brisson said. "What we were asking is whether the ability of an organism to evolve is a trait that natural selection can pick."

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Via Wildcat2030
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Teresa M. Nash's comment, November 28, 2013 4:41 AM
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Physicists propose method for braiding light

Physicists propose method for braiding light | The virtual life | Scoop.it
(Phys.org)—Physicists have proposed a way to braid three beams of light by guiding the beams along swirling, vortex-shaped defects in the optical medium through which the beams travel. The braided light would have an unusua
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New study suggests we might have spotted a fifth force of nature

New study suggests we might have spotted a fifth force of nature | The virtual life | Scoop.it
The Universe works in mysterious ways.
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Hellish Venus Might Have Been Habitable for Billions of Years

Hellish Venus Might Have Been Habitable for Billions of Years | The virtual life | Scoop.it
A team of astronomers think the torrid and toxic world was once a cozy home for potential life
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IBM scientists imitate the functionality of neurons with a phase-change device

IBM scientists imitate the functionality of neurons with a phase-change device | The virtual life | Scoop.it
IBM scientists have created randomly spiking neurons using phase-change materials to store and process data. This demonstration marks a significant step forward in the development of energy-efficient, ultra-dense integrate
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Scientists glimpse why life can't happen without water

Scientists glimpse why life can't happen without water | The virtual life | Scoop.it
Scientists are getting closer to directly observing how and why water is essential to life as we know it.
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Quantum 1, classical 0: Bell nonlocality universally confirmed in any large communication complexity advantage

Quantum 1, classical 0: Bell nonlocality universally confirmed in any large communication complexity advantage | The virtual life | Scoop.it
(Phys.org)—The relationship between communication complexity problems, Bell nonlocal correlations and the advantage of quantum over classical strategies has long been recognized, but has been confirmed in only two problems
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Hunting for Dark Matter's Hidden Valley

Hunting for Dark Matter's Hidden Valley | The virtual life | Scoop.it
Are we looking for dark matter in all the wrong places? Kathryn Zurek, a theoretical physicist, wants to make sure we don't overlook it.
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Two-hundred-terabyte maths proof is largest ever

Two-hundred-terabyte maths proof is largest ever | The virtual life | Scoop.it
A computer cracks the Boolean Pythagorean triples problem — but is it really maths?
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Crawling Chemicals Act Like They Are Alive

Crawling Chemicals Act Like They Are Alive | The virtual life | Scoop.it
Globules move around, ingest others, leave waste—and could hold clues to origins of cells
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They’re Parking the Trains. And the Ships and Planes and Trucks…

They’re Parking the Trains. And the Ships and Planes and Trucks… | The virtual life | Scoop.it
 

It’s a picture that’s worth a thousand choruses of “Don’t Worry, Be Happy. Rea
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Just 40 light years from Earth, three planets might host life forms adapted to infrared worlds

Just 40 light years from Earth, three planets might host life forms adapted to infrared worlds | The virtual life | Scoop.it
Is there life beyond our solar system? If there is, our best bet for finding it may lie in three nearby, Earth-like exoplanets.
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Entanglement Made Simple | Quanta Magazine

Entanglement Made Simple |  Quanta Magazine | The virtual life | Scoop.it
How quantum entanglement connects with the “many worlds” of quantum theory.
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Planet Found in Habitable Zone Around Nearest Star - Pale Red Dot campaign reveals Earth-mass world in orbit around Proxima Centauri

Planet Found in Habitable Zone Around Nearest Star - Pale Red Dot campaign reveals Earth-mass world in orbit around Proxima Centauri | The virtual life | Scoop.it
ESO, European Organisation for Astronomical Research in the Southern Hemisphere
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Life may have emerged not once, but many times on Earth

Life may have emerged not once, but many times on Earth | The virtual life | Scoop.it
Far from being a miracle that happened just once in 4 billion years, life's beginnings could have been so commonplace that it began many times over
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Putting a computer in your brain is no longer science fiction

Putting a computer in your brain is no longer science fiction | The virtual life | Scoop.it
This company can help humans win the race against artificial intelligence by putting a chip in their heads.
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Scientists discover light could exist in a previously unknown form

Scientists discover light could exist in a previously unknown form | The virtual life | Scoop.it
New research suggests that it is possible to create a new form of light by binding light to a single electron, combining the properties of both.
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New Dwarf Planet Discovered Far Beyond Pluto's Orbit

New Dwarf Planet Discovered Far Beyond Pluto's Orbit | The virtual life | Scoop.it
The newfound object 2015 RR245 takes about 700 years to orbit the sun.
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Relax, it'll be 1,500 years before aliens contact us

Relax, it'll be 1,500 years before aliens contact us | The virtual life | Scoop.it
If you're expecting to hear from aliens from across the universe, it could be a while.
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Combined climate, orbit models show that Kepler-62f could sustain life

Combined climate, orbit models show that Kepler-62f could sustain life | The virtual life | Scoop.it
A distant planet known as Kepler-62f could be habitable, a team of astronomers reports.
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Dead or Alive, Schrödinger's Cat Can Be in 2 Boxes at Once

Dead or Alive, Schrödinger's Cat Can Be in 2 Boxes at Once | The virtual life | Scoop.it
A new study with light particles shows that Schrodinger's cat can be alive and dead and in two places at once, new research shows.
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Scientist suggests possible link between primordial black holes and dark matter

Scientist suggests possible link between primordial black holes and dark matter | The virtual life | Scoop.it
Dark matter is a mysterious substance composing most of the material universe, now widely thought to be some form of massive exotic particle. An intriguing alternative view is that dark matter is made of black holes forme
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Sea-level rise has claimed five whole islands in the Pacific: first scientific evidence

Sea-level rise has claimed five whole islands in the Pacific: first scientific evidence | The virtual life | Scoop.it
By Simon Albert, Alistair Grinham, Badin Gibbes, Javier Leon, & John Church | (The Conversation) | - - Sea-level rise, …
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Disturbing New Study Shows The Pacific Ocean May Suffocate In Just 15 Years

Disturbing New Study Shows The Pacific Ocean May Suffocate In Just 15 Years | The virtual life | Scoop.it
The same human activity that is causing the world's oceans to warm, rise, and acidify is also robbing those same oceans of oxygen. Furthermore, the impact of
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BioViva follows controversial anti-aging quest

BioViva follows controversial anti-aging quest | The virtual life | Scoop.it
BioViva founder Elizabeth Parrish subjected herself to experimental anti-aging gene therapy last year, and now a foundation is reporting the first results.
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