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Showing posts from April 24, 2023

Why do Horses Sleep Standing up?

REASON: Horses, like human beings, sleep in various degrees of sleep. They can doze or take a nap and experience Slow Wave Sleep ( SWS ), they also need Rapid Eye Movement (REM) Sleep, the deep sleep in which dreams occur Horses can doze or nap in the SWS stage , while standing, this is because of a unique quality of the equine skeletal system, to lock their limbs, specifically their rear knee-caps, allowing the skeleton to hold them upright without engaging the muscles. It is possible because of a special system of tendons and ligaments and is called as the Stay Apparatus in veterinary medicine.  This mechanism has evolved in most prey-animals that live in predator rich regions. Horses due to their straight backs, cannot get up quickly if a predator approaches, before domestication horses sleeping upright gave them a swift advantage of escaping a predator compared to horses lying down to sleep. A horse will never lie down if they do not feel safe. Horses need REM sleep, from 30 minu

How Many People are Learning English?

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There are 1.5 billion English-language learners worldwide, says  British Council  member John Knagg . The group is one of the largest providers of English language instruction in the world with more than 3,000 full-time English teachers globally . The number of English-language learners has led to a great demand for those who can teach the language, Knagg says, adding: "The lack of qualified English language instructors presents one of the largest challenges to educators and citizens across the globe." EFL vs. ESL English-language learners worldwide are largely divided into two groups: The British Council says that there are 750 million  English as a foreign language  speakers and 375 million  English as second language  learners. The difference between the two groups is that EFL speakers generally are those using English occasionally for business or pleasure, while ESL students use English on a daily basis. It is a commonly held misconception that ESL students only n