nicolas cavaliere
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Biologia - Anatomia de um neurônio (khan Academy)

Site: www.fundacaolemann.org.br/khanportugues Facebook: www.facebook.com/khanportugues Twitter: www.twitter.com/khanportugues Neste vídeo, falamos um pouco s...
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Stanford Scientists Place Computer Inside Cell | CYBER BIOLOGIA

Researchers at Stanford University in California have taken the next step in genetically engineering a computer in a living cell's DNA. Making cells “smarter” could have a wide range of medical and industrial applications.
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Researchers Map the 3D Structure of the Telomerase Enzyme

Researchers Map the 3D Structure of the Telomerase Enzyme | nicolas cavaliere | Scoop.it
Researchers from UCLA and UC Berkeley have, for the first time ever, solved the puzzle of how the various components of an entire telomerase enzyme complex fit together and function in a three-dimensional structure.

 

The telomerase enzyme, which is known to play a significant role in aging and most cancers, represents a breakthrough that could open up a host of new approaches to fighting disease.

 

The creation of the first complete visual map of thetelomerase enzyme, which is known to play a significant role in aging and most cancers, represents a breakthrough that could open up a host of new approaches to fighting disease, the researchers said.

"Everyone in the field wants to know what telomerase looks like, and there it was. I was so excited, I could hardly breathe," said Juli Feigon, a UCLA professor of chemistry and biochemistry and a senior author of the study. "We were the first to see it."


Via Dr. Stefan Gruenwald
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Experimentos de biología para niños - Ojo Cientifico

Experimentos de biología para niños - Ojo Cientifico | nicolas cavaliere | Scoop.it
A veces la mejor forma de explicarle los fenómenos naturales a los niños es mediante experimentos. Puede parecernos algo difícil, pero lo cierto es que hay cientos de experimentos que podemos hacer en casa de forma fácil y segura.
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Biologia Centrali-Americana & Hispanic Heritage Month

Biologia Centrali-Americana & Hispanic Heritage Month | nicolas cavaliere | Scoop.it
In 1876, two men by the names of Frederick Godman and Osbert Salvin began work on perhaps the most comprehensive account of the flora and fauna of Mexico and Central America ever undertaken. Entitled Biologia ...
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Biología y Geología 3º ESO: Actualidad sobre el cerebro

The brain's prefrontal cortex is thought to be the seat of cognitive control, working as a kind of filter that keeps irrelevant thoughts, perceptions and memories from interfering with a task at hand.
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WIRED: Bioengineers Build Open Source Language for Programming Cells

WIRED: Bioengineers Build Open Source Language for Programming Cells | nicolas cavaliere | Scoop.it

Drew Endy wants to build a programming language for the body.

Endy is the co-director of the International Open Facility Advancing Biotechnology — BIOFAB, for short — where he’s part of a team that’s developing a language that will use genetic data to actually program biological cells. That may seem like the stuff of science fiction, but the project is already underway, and the team intends to open source the language, so that other scientists can use it and modify it and perfect it.

 

The effort is part of a sweeping movement to grab hold of our genetic data and directly improve the way our bodies behave — a process known as bioengineering. With the Supreme Court exploring whether genes can be patented, the bioengineering world is at crossroads, but scientists like Endy continue to push this technology forward.

 

Genes contain information that defines the way our cells function, and some parts of the genome express themselves in much the same way across different types of cells and organisms. This would allow Endy and his team to build a language scientists could use to carefully engineer gene expression – what they call “the layer between the genome and all the dynamic processes of life.”

 

The BIOFAB project is still in the early stages. Endy and the team are creating the most basic of building blocks — the “grammar” for the language. Their latest achievement, recently reported in the journalScience, has been to create a way of controlling and amplifying the signals sent from the genome to the cell. Endy compares this process to an old fashioned telegraph.

 

“If you want to send a telegraph from San Francisco to Los Angeles, the signals would get degraded along the wire,” he says. “At some point, you have to have a relay system that would detect the signals before they completely went to noise and then amplify them back up to keep sending them along their way.”

 

And, yes, the idea is to build a system that works across different types of cells. In the 90s, the computing world sought to create a common programming platform for building applications across disparate systems — a platform called the Java virtual machine. Endy hopes to duplicate the Java VM in the biological world.


Via Dr. Stefan Gruenwald
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Animaciones de biología celular.-

Animaciones de biología celular.- | nicolas cavaliere | Scoop.it

El excelente sitio www.johnkyrk.com dispone de animaciones para la enseñanza de biología celular.Los temas están catalogados de manera tal que el acceso se hace sin dificultad y las animaciones son buena definición y carga rápida.Está desarrollado por el biólogo y artista John Kirk y pone a disposición sus animaciones para que sirvan como un "ayudante invisible" a las clases de ciencias biológicas.El menú es bastante extenso y tiene como valor agregado que está en varios idiomas.


Via Mauricio M. Escudero
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Carole Benassi's curator insight, April 19, 2013 2:11 PM

Excelente aplicación

silvina siben's comment, July 3, 2013 3:35 PM
#PLESecundario
Maritza Real's curator insight, January 12, 2014 11:56 AM

Es muy importante además de saber los conceptos teóricos, contar con animaciones que nos permiten entender con facilidad lo que ocurre en la célula