Hank brings us another simple experiment that demonstrates the important biochemical process of osmosis by turning a chicken egg into a frightening alien-looking thing.

Viaje al interior de la célula para observar la actuación de la membrana celular como barrera y zona de entrada. ¿De qué modo capta los nutrientes al tiempo que excluye las moléculas que puedan ser dañinas?
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Twig -...

Descubre cómo se agrupan los materiales según sus propiedades y cómo es útil esta clasificación en la vida cotidiana.
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Twig - Los procesos de los materiales - Clasificación de los materiales - Propiedades de los...

Si fueras un extraterrestre que acaba de aterrizar en la Tierra, ¿qué materiales usarías para sobrevivir?
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Twig - Los procesos de los materiales - Clasificación de los materiales - Elección de materiales
ad
ecuados
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Los materiales cambian de estado todo el tiempo, pero ¿cómo y por qué?
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Twig - Los procesos de los materiales - Sólidos, líquidos y gases - Cambios
de
estado

C
laves de aprendizaje
El derretimiento es...

Easily eroded by water, limestone's composition means it makes up spectacular sights all over the world. Learn about some of the surface and underground features of this rock type. Earth Science - Geology - Learning Points. Limestone is...

Journey inside the cell to see how the cell membrane acts as both a barrier and an entrance. How does it take in nutrients while keeping out potentially damaging molecules? Biology - Cells And DNA - Learning Points. The cell membrane...

If you were an alien who had just landed on Earth, what materials would you use to help you survive?
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Material processes - Classifying materials - Choosing suit
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ble materials />

Learning Points...

Discover how materials are grouped by their properties and how this is useful in everyday life.
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Material processes - Classifying materials - Propertie
s

of materials />

Learning Points
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Materials change state all the time, but how and why?
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Material processes - Solids, liquids and gases - Ch
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nges of state />

Learning Points
Melting is the cha
n

ge of state from solid to...

When it comes to aircraft engines, rocket motors and nuclear power plants, the ""heat"" is constantly on to make the parts inside stronger, more reliable and more durable. In fact, when an airplane takes off, the materials in the hottest...

If you want to know how well your kidneys function, a good metric to look at would be the Glomerular Filtration Rate.



The Glomerular Filtration Rate is not constant. It needs to be increased or decreased depending on how...

The plasma membrane is responsible for maintaining a balance. In this section, I talk about both the structure and the function of the plasma membrane. I deal with the components of the plasma membrane and their functions.

A British company has invented a new type of concrete designed to rapidly absorb water that could be used to help mitigate the damage caused by flash flooding. The concrete, called Topmix Permeable, was designed by Tarmac, a UK building...

Chicago Illinois sewer manhole cover, permeable material and traffic in background.

Chicago Illinois manhole cover in alley built to catch pollutants in storm water runoff.

Two caucasian men unload milk truck parked on permeable pavement in Chicago