Unleash the Battle Royale of the Ages: Toughest Warriors in History!

In the era of the battle royale, where legends clash and history unfolds, the quest to determine the toughest warriors of all time has reached epic proportions. Imagine pitting the mightiest military figures from different eras against each other in an ultimate showdown—a fight to the finish that transcends time and borders.

In this video, the folks from Weird History dive into some of history’s most epic clashes to determine the mightiest warriors of all time!

[Via Neatorama]

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Spock Finds Things Fascinating – The Compilation [Video]

As a Vulcan, Spock clearly believes in the concept of infinite diversity in infinite combinations of fascinating. This Star Trek video documents uses of “fascinating” by Leonard Nimoy’s Spock, as well as some examples from other characters in reference to Spock, from The Original Series, The Animated Series, The Next Generation, and the films.

[John DiMarco]

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Thank gluten’s complex chemistry for your light, fluffy baked goods

Gluten is in a variety of breads and baked goods − it helps them rise and gives bread its characteristic texture. Adam Gault/OJO Images via Getty Images

Kristine Nolin, University of Richmond

Within the bread, rolls and baked goods on many tables this holiday season is an extraordinary substance – gluten. Gluten’s unique chemistry makes foods airy and stretchy.

I’m a chemist who teaches a chemistry of cooking class, and every year I ask my students, “What is gluten?” Common answers are “a sugar” or “a carbohydrate.” But rarely does anyone get it right.

So, what is gluten?

Gluten is a complex mixture of proteins. It makes up 85%-90% of the protein in flour. Proteins are natural biological macromolecules composed of chains of amino acids that fold upon themselves to adopt a variety of shapes.

Gluten comes from the endosperm of wheat, rye, barley and related plants. The endosperm is a tissue in the plant’s seeds that serves as a storage location for starch and protein. The milling process that creates flour releases the contents of the endosperm, including gluten.

The main proteins in the gluten mixture are gliadin and glutenin. These proteins make up much of flour-based food products’ structure. During the kneading or mixing part of making dough, these proteins form an elastic mesh, often referred to as the gluten network.

A close up of a slice of bread, showing the white gluten network with darker holes.
The texture of your bread will depend on how much you knead and work the dough and how the gluten network forms. ligora/iStock via Getty Images

Creating a gluten network

Forming a gluten network is key for getting dough to rise. The network acts as a balloon that traps gases during the rising, proofing and baking processes. During rising and proofing, when the dough is given time to expand, yeast in the dough releases carbon dioxide as it eats and digests the sugars present. This process is called fermentation.

The baking process produces a number of different gases, such as carbon dioxide, water in the form of steam, ethanol vapors and nitrogen. The gluten network traps these gases and the dough expands like a balloon. If the gluten network is too strong, the gases will not produce enough pressure to make the dough rise. If it’s too weak, the balloon will burst and the dough will not stay risen. How strong the gluten network ends up being depends on how long you knead and mix the dough.

For the gluten network to form, you need to knead or mix the dough with some water – this aligns the proteins.

The glutenin proteins come in long and short chains that adopt coiled structures. These coils are held together through attractive forces between the loops of the coils known as intramolecular hydrogen bonds. Kneading and mixing break some of the attractive forces and align the glutenin proteins.

Bonds form between the individual glutenin chains through sulfur atoms on some of the amino acids that make up glutenin. When these amino acids – called cysteines – are brought into contact with each other, the sulfur atoms bond to one another, creating a linkage called a disulfide bond.

As more and more cysteines form disulfide bonds with cysteines on neighboring proteins, the network grows. So, the more proteins present and the longer the kneading process, the stronger the gluten network. Bread flour has higher protein concentrations – 12%-14% – than other flours, so bread flour leads to a stronger gluten network and more rise.

The gliadin proteins are smaller and more compact than glutenin proteins. During the kneading process, gliadin disperses throughout the glutenin polymers. While glutenin provides elasticity and strength to dough, the gliadin proteins make the dough viscous, or fluidlike, and dense.

Gluten is made up of two proteins: glutenin and gliadin.

Strengthening and shortening

Adding salt neutralizes any charges that may be present on the proteins. This minimizes any repulsion between the proteins and brings them closer together. This process forces water out from between the proteins, which both brings the proteins closer together and stabilizes the network. So, adding salt will create a stronger network that increases the amount of stretching and pulling the dough can withstand.

Fats like butter or margarine will weaken, or “shorten,” the gluten network. Typically, recipes ask you to mix the fats with the flour before adding water or milk. This is so the fats coat the flour. And because fats are hydrophobic, or water-repellent, this process prevents the water that helps the gluten network form from reaching the proteins. This results in a softer, more tender baked good.

Without the formation of the gluten network, baked goods would not rise into the light and fluffy delicious dishes we love.The Conversation

Kristine Nolin, Associate Professor of Chemistry, University of Richmond

This article is republished from The Conversation under a Creative Commons license. Read the original article.