Water is essentially everywhere in our world, and the average human is composed of between 55 and 60% water. So what role does water play in our bodies, and how much do we actually need to drink to stay healthy? Mia Nacamulli details the health benefits of hydration.
Depression is the leading cause of disability in the world; in the United States, close to ten percent of adults struggle with the disease. But because it’s a mental illness, it can be a lot harder to understand than, say, high cholesterol.
Cockroach is one of the world's oldest inhabitant, and the history of life has passed before its small sharp simple eyes as well as compound eyes. Cockroach was there to greet the arrival of dinosaurs 170 million years ago; he was there to bid farewell to dinosaurs 100 million years after.
Below is a compilation of some very good resources for music teachers. It contains tons of music lessons, lesson plans, tutorials, guides and many other interesting materials to help you in your music teaching.
Teachers form the steps you have climbed up your academic achievements and carriers. Every single teacher who has taught you had something to contribute and facilitate your achievement. ADORE THEM. Do not neglect any step that is a Teacher.
Throughout the history of mankind, the subject of identity has sent poets to the blank page, philosophers to the agora and seekers to the oracles. These murky waters of abstract thinking are tricky to navigate, so it’s probably fitting that to demonstrate the complexity, the Greek historian Plutarch used the story of a ship. Amy Adkins illuminates Plutarch’s Ship of Theseus
CHAMELEONS are a unique group of lizards. Their closest relatives are Iguanas and Dragon lizards (Agamidae). Chameleon means “Earth Lion”. Some Iguanas living in America are called FALSE CHAMELEON, due to their ability to change colours and other resembling traits.
We hear about calories all the time: How many calories are in this cookie? How many are burned by doing 100 jumping jacks, or long-distance running, or fidgeting? But what is a calorie, really? And how many of them do we actually need? Emma Bryce explains how a few different factors should go into determining the recommended amount for each person.
Batteries are a triumph of science—they allow smartphones and other technologies to exist without anchoring us to an infernal tangle of power cables. Yet even the best batteries will diminish daily, slowly losing capacity until they finally die. Why does this happen, and how do our batteries even store so much charge in the first place? Adam Jacobson gives the basics on batteries
Learning is a complex cognitive phenomena that has been and is still the central theme of a wide variety of scientific studies. The overarching question ‘how we learn what we learn’ intrigued scientists across different disciplines and generated tons of literature on the topic.
Narcissism isn’t just a personality type that shows up in advice columns; it’s actually a set of traits classified and studied by psychologists. But what causes it? And can narcissists improve on their negative traits? W. Keith Campbell describes the psychology behind the elevated and sometimes detrimental self-involvement of narcissists.
When under anesthesia, you can’t move, form memories, or — hopefully — feel pain. And while it might just seem like you are asleep for that time, you actually aren’t. What’s going on? Steven Zheng explains what we know about the science behind anesthesia.
For several centuries, people though diseases were caused by wandering clouds of poisonous vapor. We now know that this theory is pretty ridiculous, and that diseases are caused by specific bacteria. But how did we get to this new idea of germ theory? Tien Nguyen describes the work of several scientists who discredited a widely accepted theory in a way that was beneficial to human health.
Birds have been observed by people from time immemorial. Every known language, region and countries have specific names given to different birds. There are a number of literatures dealing with the behaviour of birds. Great writers in all languages have used them in their poetries, Dramas and stories. Several birds have earned prominent status in world Mythology.
Birds do not live in nests all the time. In fact it does not live there except for incubating their young ones. Being (Diurnal- active by day) they go in search of food in the day and roost in a convenient spot in the night mostly perching on a tree branch.
When we talk about ‘English’, we often think of it as a single language. But what do the dialects spoken in dozens of countries around the world have in common with each other, or with the writings of Chaucer? Claire Bowern traces the language from the present day back to its ancient roots, showing how English has evolved through generations of speakers.
It may seem like the semicolon is struggling with an identity crisis. It looks like a comma crossed with a period. Maybe that’s why we toss these punctuation marks around like grammatical confetti; we’re confused about how to use them properly. Emma Bryce clarifies best practices for the semi-confusing semicolon.
The highly virulent Ebola virus has seen a few major outbreaks since it first appeared in 1976 -- with the worst epidemic occurring in 2014. How does the virus spread, and what exactly does it do to the body? Alex Gendler details what Ebola is and why it's so hard to study.
It can be hard sometimes, when speaking, to remember all of the grammatical rules that guide us when we’re writing. When is it right to say “the dog and me” and when should it be “the dog and I”? Does it even matter? Andreea S. Calude dives into the age-old argument between linguistic prescriptivists and descriptivists — who have two very different opinions on the matter.
TED Ed Lessons is one of the best resources for educational video content to use with your students in class. It features less than 10 minutes lessons created by teachers and animated by professional animators .The goal is to amplify teachers voice and make learning more enjoyable and accessible to students from all around the world.
In the United States, it’s estimated that 30 percent of adults and 66 percent of adolescents are regularly sleep-deprived. This isn’t just a minor inconvenience: staying awake can cause serious bodily harm. Claudia Aguirre shows what happens to your body and brain when you skip sleep.
Did you know that gold is extraterrestrial? Instead of arising from our planet’s rocky crust, it was actually cooked up in space and is present on Earth because of cataclysmic stellar explosions called supernovae. CERN Scientist David Lunney outlines the incredible journey of gold from space to Earth.
Thousands of years in the making, the Olympics began as part of a religious festival honoring the Greek god Zeus in the rural Greek town of Olympia. But how did it become the greatest show of sporting excellence on earth? Armand D’Angour explains the evolution of the Olympics.
Tens of millions of years ago, plate tectonics set North and South America on an unavoidable collision course that would change the face of the Earth and spell life or death for thousands of species. Juan D. Carrillo explains the massive biological repercussions of this collision, which caused one of the greatest episodes of biological migration in history: The Great American Biotic Interchange.
If you lined up all the blood vessels in your body, they’d be 60 thousand miles long. And every day, they carry the equivalent of over two thousand gallons of blood to the body’s tissues. What effect does this pressure have on the walls of the blood vessels?
People have been grappling with the question of artificial creativity -- alongside the question of artificial intelligence -- for over 170 years. For instance, could we program machines to create high quality original music? And if we do, is it the machine or the programmer that exhibits creativity? Gil Weinberg investigates this creative conundrum
How do we know what matter is made of? The quest for the atom has been a long one, beginning 2,400 years ago with the work of a Greek philosopher and later continued by a Quaker and a few Nobel Prize-winning scientists. Theresa Doud details the history of atomic theory.