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Autumn Equinox - Fall begins

Posted By: Best Brains Sep-21, 2017 Social Awareness - Best BrainsEnvironment
http://image.bestbrains.com/blog/autumn-equinox-fall-begins/Equinoxes%20and%20solstices.PNG

The autumnal equinox or September equinox falls on September 22nd, 2017, on this day the day night will be almost equal in most locations. Here are some facts we all need to know about the equinox and signs of the equinox in nature and the first day of astronomical fall (autumn) in the Northern Hemisphere.

There are two types of equinoxes each year – one falls in September and the other in March. This happens when the Sun shines directly on the equator and the length of day and night are nearly same. However, the autumnal fall equinox in the Northern Hemisphere is known as spring vernal equinox in the Southern Hemisphere and vice versa.

Facts

The September equinox is on or around September 22nd. Sometimes it may fall on the 23rd or 24th, while the first equinox of the year falls on March, it takes place on or around March 21st every year. During these two equinoxes the Sun shines directly on the equator and the length of day and night is almost nearly equal – but not exactly.

Did you know that the September equinox marks the second the sun crosses the celestial equator? The slightly imaginary line in the sky above the Earth’s equator is seen from North to South and vice versa in March.

Equinoxes and solstices

In the above picture, you can see the equinoxes and solstices that mark the start of astronomical seasons. While the equinoxes start in spring and fall, solstices start astronomical summer and winter.

Earth's Axial Tilt

The Earth's axis is slanted at an angle of about 23.4° this is in relation to the ecliptic, which is the imagined plane created by Earth's path around the Sun. However, on any other day of the year, both the Southern Hemisphere and the Northern Hemisphere tilts a little towards the Sun. Then on the two equinoxes, the tilt of Earth's axis will be perpendicular to the Sun's rays, like the above illustrations show.

Why is it Called "Equinox"?

On the day of the equinox, both night and day are nearly closely the same length – 12 hours – all over the world. That is the reason it's called an "equinox," the word is derived from a Latin aequus which means equal and nox meaning night.

However, even if this is usually accepted, it isn't entirely true. In reality, equinoxes don't have accurately 12 hours of daylight.

Why is it called the First Day of Fall?

While in the Northern Hemisphere, the fall equinox marks the first day of fall - autumn is what it is known as in astronomical seasons. There is also another, and more common definition of when the season’s start, specifically meteorological definitions, which are based on typical temperatures rather that astronomical events.

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Spinach Leaf Transformed Into Beating Human Heart Tissue

Posted By: Best Brains Sep-19, 2017 General Knowledge - BBReading SkillsEnvironmentScience
http://image.bestbrains.com/blog/spinach-leaf-transformed/spinach-leaf-transformation.PNG

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Using a plant for either cleaning or repairing purposes is quite common these days. Scientists have created a little version of a working heart, which may assist in tissue regeneration one day.

Scientists found a new way to use spinach to build a working human heart muscle, which will potentially solve a long-standing problem in efforts to repair damaged organs. The details of the study are published in the journal Biomaterials, explaining the new way to grow a vascular system, which has been a roadblock for tissue engineering.

Scientists have already created large-scale human tissue in a lab using 3D method printing, but it was proved to be much harder to grow the small, delicate blood vessels that are vital to the tissue's health.

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As per the co-author Joshua Gershlak, the main limiting factor for tissue engineering - is the lack of a vascular network. This is proved that without that vascular network, you get a lot of tissue death.

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Above is the image of a decellularized spinach leaf; before dye is added to test its ability to filter blood through the tissue.

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In the second image, you can see the picture of a spinach leaf after it successfully revealed red dye could be pumped through its veins, simulating the blood, oxygen and nutrients that a human heart tissue needs to grow.

However, one of the crucial traits of a leaf is the branching network of thin veins that delivers water and nutrients to its cells. At present, scientists have used plant veins to redo the way blood moves through human tissue. This work involves transforming a spinach leaf in the lab to eliminate its plant cells, which leaves behind a frame made of cellulose.

Cellulose is biocompatible and has been used in a wide variety of reformative medicine applications, such as bone tissue engineering, cartilage tissue engineering, and wound healing.  The team then covered the remaining plant frame in live human cells, so that the human tissue grew on the spinach's support and surrounded the tiny veins. Once they transformed the spinach leaf into a sort of mini heart, then the team sent fluids and microbeads through its veins to illustrate how blood cells can flow through this system.

Though the ultimate goal is to replace damaged tissue in patients who have had heart attacks or who suffered from other cardiac issues that prevent their hearts from contracting. Like blood vessels, the veins in the modified leaves would supply oxygen to the entire swath of replacement tissue, which is crucial in generating new heart matter.

While the study team has confirmed the same methods could be used with different types of plants to heal a variety of tissues in the body. For instance, swapping out the cells in wood might one day help repair human bones.

Researchers say that they have a lot more work to do, but so far this is very promising, and the study co-author Glenn Gaudette, also of WPI, said in a press statement that adapting abundant plants that farmers have been cultivating for thousands of years, are helpful in the use of tissue engineering and could solve a host of problems limiting the field.

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Lost Irish Beach 'Magically' Reappears After 33 Years

Posted By: Best Brains Sep-13, 2017 General Knowledge - BBSocial Awareness - Best BrainsEnvironment
http://image.bestbrains.com/blog/lost-irish-beach/dooagh-beach.JPG

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The majestic mountains, beautiful landscapes, and the primeval beaches are the main attractions of the Ireland’s Achill Island. This Island has always been a popular European tourist destination.

However, since mid-April, the rugged 57-square mile island with nearly 2,600 residents has gained worldwide fame thanks to the ‘Magical’ return of the beach which washed away over three decades ago.

While the residents of County Mayo's Achill Island which is known as one of the largest islands off the coast of Ireland were surprised by seeing the stunning transformation that took place overnight. However, the beach was returned to its earlier glory after a freak tide dumped thousands of tons of sand along 1,000 feet of the seashore.

History

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The Dooagh Beach which was once a beautiful destination for many. Did you know that this beach was washed away completely not leaving anything after a huge winter storm hit the area in the year 1984? The damage was unforgettable until recently as it rolled away everything along with the beauty of the place and even many people lost their homes. There was, even more, damage done after two storms rolled in back one after one in 2014, abolishing access points to the beach and washed away a road to a nearby pier.

The citizens and operators of local tourism groups are in a hope that the sandy beach is here to stay.

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No one knows how it happened, but around April this year, something magical happened and an unusual ten-day tide encased the barren 300 meter which is a 984-foot stretch of rock beach with hundreds of tons of soft golden sand! While the scientists from the National University of Ireland, Galway suspect that this sand had been gathering offshore for months and was transported to the beach by the high winds and great waves.

The restored beach is attracting hordes of visitors who are wishing to witness the supremacy of nature, with their own eyes. However, the officials are still not sure if it is safe to swim, as they are not too sure about the sand.  As of now, the visitors are recommended to enjoy the soft sand and leave the swimming to the dolphins that frequent the area.

Citizens near Dooagh hope the beach’s restoration also means the return of sand eels, a popular local fragility, which was unable to continue the inhospitable rocky environment left after by the 1984 storms. Clumps of seaweed called “the wrack” have also landed the shore again, a boon for the area’s farmers who use the briny plants to fertilize their land.

Unexpectedly, this is not the first time Dooagh Beach has disappeared and restored again; it vanished in the 1890s, for over 30 years, before returning in 1927. Yet, the locals are optimistic that this time around, the beautiful sand is here to stay!!

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Slinky Dog Dash Roller Coaster

Posted By: Best Brains Sep-11, 2017 Activities Best BrainsReading SkillsEnvironment
http://image.bestbrains.com/blog/slinky-dog/slinky-dog-coaster.jpg

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Disney Unveils “Slinky Dog Dash Roller Coaster” — to Celebrate National Slinky Day

Disney — I can imagine what comes to everyone’s mind when we hear someone say, Disney. Toys… more fantasy…. the beautiful world for all ages… While most of the toys or our imagination will fade out sometimes, as new things start pop up so often.

Here comes the Slinky, the pre flattened coil of wire or plastic; which can walk on its own and has entertained children and adults for over 70 years. Therefore, it is not surprising to hear that every month on August 30th, people across the United States celebrate this iconic toy with a National Slinky Day.

However, this year the people at Disney have made this event more special by introducing the new Slinky Dog Dash roller coaster at the Hollywood Studios theme park at Florida’s Walt Disney World Resort. While the family ride has been added with two new attractions and themed by Andy Davis, it was inspired by one of the main characters Slinky from the Toy Story movies, he created it in his backyard using his Mega Coaster Play Kit. This is all set to open in Summer 2018. Main attraction draws creativeness from the film’s dachshund, who has a metal Slinky for a body. Though, it is designed to take full advantage of the coils, assuring riders a thrilling journey, which completes with sharp drops and sudden turns. The Slinky Dog Dash will be one of two new rides to excite the park visitors that are looking forward to the newly expanded Toy Story Land. If you do not know anything about the second attraction, it is inspired by the Alien Swirling Saucers, this attraction is themed to a Pizza Planet toy play set with Aliens circling around in their flying saucers with rocket ships.

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Like many great creations, the Slinky was invented accidentally. In 1943, Richard James, a naval mechanical engineer who was trying to create a spring that would keep gentle ship equipment stable at sea. One day, he unsuspectingly dropped some samples off of a shelf and watched them in astonishment that they landed gracefully, with a “spring” in their own steps, instead of crashing directly on the ground.

Trusting the spring’s action, he thought it would make a great toy, then he and his wife Betty came up with the name and borrowed $500 USD to manufacture the first Slinkys. While this took some time and in the year 1945, the inventors were allowed to demonstrate the toy at Gimbels department store in Philadelphia. To their glee, the entire inventory of 400 was sold within 90 minutes, and the rest, as we see is a History until today… An estimated 250 million units of the classic toy, which was inaugurated into the “National Toy Hall of Fame” in 2000, then been so, and the numbers continue to rise. While Richard made the Slinky by winding 80-feet of wire into a 2-inch spiral, and the toy now comes in many different sizes, color and colors. Some even make sounds while others light up, and one lucky Slinky even gets to go on escapades with his Toy Story friends...

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Grandparents Day in the United States

Posted By: Best Brains Sep-08, 2017 General Knowledge - BBFamilySpecial Days
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Grandparents Day has been a secular holiday in the United States and the United Kingdom since 1978 and it is officially recognized in many countries on various days of the year.

History

The inspiration behind Grandparent’s Day was generated from Marian McQuade. She has been recognized nationally by the United States Senate. In particularly by Senators Jennings Randolph, and Robert Byrd and by President Jimmy Carter, as the founder of National Grandparents Day.

Marian initiated a campaign in the early 1970s aimed at highlighting the difficulty of lonely elderly people in care homes and to encourage the grandchildren to take advantage of the wisdom and guidance their grandparents could provide them. This thrived into a great event known today, which is held each year to honor both grandparents. However, the main aim is to bring love and affection towards the grandparents and the idea of an older generation’s understanding being passed on to youngsters.

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Forget-me-not is the flower that symbolizes National Grandparents Day, which blooms in the spring. Seasonal flowers are given in thankfulness to grandparents on this day.

What Do People Do?

Honor your grandparents by giving them gifts or if they stay far from you send them a lovely card. Plan your evening after school with them or take them out and have a nice dinner. Take part in story-telling activities and relate it with your grandparents. There are many things you can do to make them happy so think of some ideas on your own!

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Happy Grandparents Day!!!!

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