This video portrays Abu Dhabi Dhow harbour and the information related to fishing in Abu Dhabi.
As we mentioned in video, follow the below link to know how to obtain the recreational fishing license
https://www.ead.gov.ae/en
Fishing spots in Abu Dhabi (only for Fishing License holders)
1. Bateen Beach fishing location: 24.4273° N, 54.3773° E
2. Al Raha Beach location: 24°27’35.8″N, 54°36’44.3″E
3. Hameem Beach Fishing Location: 24.2565° N, 54.3849° E
4. Al Aryam fishing location: 24° 18′ 24.5376” N, 54° 13′ 35.6124” E
5. Icad II fishing location: 24.2930° N, 54.4616° E
6. Yas Island location: 24°30’25.2″N, 54°34’32.0″E Video Rating: / 5
Scientists from Procter & Gamble explain the chemistry involved in how hair colourants dye your hair. Aimed at students aged 14+
Faces of Chemistry provides insight into real-life applications of chemistry involved in making products we use in everyday life.
These short videos, aimed at students aged 11-19, are produced in collaboration with leading chemical companies and document views of scientists passionate about the impact they are having on the real world.
For more information and to see more videos, please visit http://www.rsc.org/FacesofChemistry Video Rating: / 5
Some hair dyes are basically fine-grained paint. But dyes that stick with you for more than a couple weeks physically and chemically change each hair. Learn how with HowStuffWorks.
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This is not my natural hair color. There are three basic chemical formulations of hair dye: temporary, semi-permanent, and permanent. Before we look at what each of them do, let’s look at the physical structure of hair.
Hair is dead stuff. Three layers of slightly different dead stuff. The core, called the medulla, is not pertinent to our interests today.
But it’s surrounded by a thick layer of cells called the cortex – no relation to your brain’s cortex. It’s where you find the pigmented melanin proteins that give hair its color.
Protecting the cortex is hair’s outermost layer: the cuticle. As hair’s armor, it’s made up of overlapping scales. Temporary dye just sticks to the cuticle – it’s more like paint, really, and it’ll usually all circle the drain with your next shampoo.
Semi-permanent dye contains molecules of pigment so tiny that they can slip between the scales of the cuticle and stick to the cortex. But it’s still more paintlike – it doesn’t chemically react with anything in the hair.
The wee pigment particles will wash back out through the cuticle’s scales with soapy water, so a semi-permanent dye lasts about 12 shampoos max.
Permanent dye, as the name suggests, is designed to stay with your hair until the hair grows or falls out. In general, permanent dye consists of two solutions. First, an alkaline chemical plus two types of particles that will come together to form the new color: dye precursors and dye couplers.
Second, the developer: an oxidizer, usually a weak solution of hydrogen peroxide. You (or your salon professional) mix ‘em together right before applying them to your hair.
The alkaline chemical (either ammonia or a gentler substitute) goes to work opening up the cuticle. For dye to be most effective, it needs access to hair’s cortex. The alkaline stuff temporarily softens and relaxes the cuticle’s scales.
The next hurdle in achieving a new hair color is getting rid of some of the existing melanin in the hair’s cortex. Enter the developer. It oxidizes the melanin molecules, breaking melanin’s double carbon-carbon electron bonds and giving up one of its own oxygen atoms to fill in the space.
The result: the melanin turns colorless and releases sulfur atoms. That’s right: part of permanent dye’s characteristic stink isn’t actually the dye at all, but an element of your hair passing into the air.
But that’s not the developer’s only job: It also kicks off the reaction that brings together the new color molecules by oxidizing the dye precursors. These are usually colorless chemicals that develop color when oxidized.
The resulting pigmented particles (called intermediates in industry lingo) are monomers that, left to their own devices, would slip through the cuticle’s scales like semi-permanent dye.
But the dye couplers react with the intermediates to form polymers of pigment that’re too big to just slip back out. That’s how permanent color resists fading through multiple washes: It’s trapped beneath the cuticle.
Acclaimed social epidemiologists Kate Pickett and Richard Wilkinson reveal how more equal societies reduce stress, restore sanity and improve everyone’s wellbeing.
Watch Professor Kate Pickett and Professor Richard Wilkinson, in our latest RSA Spotlight – the edits which take you straight to the heart of the event!
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Today we’re breaking down the five different social class in the United States: the upper class, the upper middle class, the average middle class, the working class, and the lower class. We’ll also go over what poverty looks like in the United States.
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***
References:
Sociology by John J. Macionis, 15th edition (2014)
2016 Current Population Survey (CPS) Annual Social and Economic (ASEC) Supplement https://www.census.gov/data/tables/time-series/demo/income-poverty/cps-finc/finc-01.html
Bailey and Dynarski, “Gains and Gaps: Changing Inequality in U.S. College Entry and Completion” (2011) http://www.nber.org/papers/w17633
US DHS Poverty Guidelines https://aspe.hhs.gov/poverty-guidelines
US Census Bureau Income and Poverty in the United States: 2015 https://www.census.gov/library/publications/2016/demo/p60-256.html
***
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Im neuen Video geht es um das Thema Blowjobs. Auf Youtube bekommst du mündliche Tipps von uns, im Video auf Patreon können wir auch anhand eines Dildos ein paar Techniken zeigen, außerdem machen wir ne kleine Deep Throat Challenge (Diana ist eine Meisterin im Gegensatz zu mir *haha*).
Außerdem geht es um: Was macht JEDEN Blowjob gut, worauf musst du achten, was kann man falsch machen und wie kannst du als Mann auch das Erlebnis für deine Partnerin schöner machen.
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Erectile dysfunction is a topic that many men would prefer avoid. But it is a problem that affects many men. This video will explain the potential causes associated with erectile dysfunction such as hormone imbalances such as testosterone or elevated cholesterol levels.
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Erectile dysfunction is defined as the difficulty or inability to obtain or maintain an erection suitable for sexual intercourse.
In this video, LetsGetChecked US Medical Director Dr. Robert Mordkin, will discuss erectile dysfunction, the sign, symptoms and causes of erectile dysfunction and some natural and medical remedies for the condition. He will also tell you what you should be testing if suffering from any of the symptoms. You can access some of these tests online with a LetsGetChecked at home health test or with your local physician.
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0:15 – What is erectile dysfunction?
0:42 – What are the causes of erectile dysfunction?
2:55 – How do we evaluate for erectile dysfunction?
3:23 – Can erectile function be improved?
3:50 – What about medication?
4:34 – Want to learn more?
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Nelson E. Bennett, Jr., MD, urologist at Northwestern Memorial Hospital, discusses male sexual dysfunction, symptoms and treatment options. Video Rating: / 5
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What is SEXUAL DIMORPHISM? What does SEXUAL DIMORPHISM mean? SEXUAL DIMORPHISM meaning – SEXUAL DIMORPHISM explanation.
Source: Wikipedia.org article, adapted under https://creativecommons.org/licenses/by-sa/3.0/ license.
Sex differences directly related to reproduction and serving no direct purpose in courtship are called primary sexual characteristics. Traits amenable to sexual selection, which give an organism an advantage over its rivals (such as in courtship) without being directly involved in reproduction, are called secondary sex characteristics.
In most sexual species the males and females have different equilibrium strategies, due to a difference in relative investment in producing offspring. As formulated in Bateman’s principle, females have a greater initial investment in producing offspring (pregnancy in mammals or the production of the egg in birds and reptiles), and this difference in initial investment creates differences in variance in expected reproductive success and bootstraps the sexual selection processes. Classic examples of reversed sex-role species include the pipefish, and Wilson’s phalarope. Also, unlike a female, a male (except in monogamous species) has some uncertainty about whether or not he is the true parent of a child, and so will be less interested in spending his energy helping to raise offspring that may or may not be related to him. As a result of these factors, males are typically more willing to mate than females, and so females are typically the ones doing the choosing (except in cases of forced copulations, which can occur in certain species of primates, ducks, and others). The effects of sexual selection are thus held to typically be more pronounced in males than in females.
Differences in secondary sexual characteristics between males and females of a species are referred to as sexual dimorphisms. These can be as subtle as a size difference (sexual size dimorphism, often abbreviated as SSD) or as extreme as horns and colour patterns. Sexual dimorphisms abound in nature. Examples include the possession of antlers by only male deer, the brighter coloration of many male birds in comparison with females of the same species, or even more distinct differences in basic morphology, such as the drastically increased eye-span of the male stalk-eyed fly. The peacock, with its elaborate and colourful tail feathers, which the peahen lacks, is often referred to as perhaps the most extraordinary example of a dimorphism. Male and female black-throated blue warblers and Guianan cock-of-the-rocks also differ radically in their plumage. Early naturalists even believed the females to be a separate species. The largest sexual size dimorphism in vertebrates is the shell dwelling cichlid fish Neolamprologus callipterus in which males are up to 30 times the size of females. Many other fish such as guppies also exhibit sexual dimorphism. Extreme sexual size dimorphism, with females larger than males, is quite common in spiders and birds of prey. Video Rating: / 5
