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Francisco Hernandez
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Why do we yawn and why is it contagious?
It has traditionally been thought that yawning is an involuntary reflex that draws more oxygen into our bloodstream and removes a buildup of carbon dioxide. This theory was fueled by the notion that when people are bored or tired, their breathing slows, resulting in a lack of oxygen, ...
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Francisco Hernandez

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Does water travel down the drain in different directions in the northern and southern hemispheres?
Folklore states that water drains down the sink in a counterclockwise direction in the Northern Hemisphere and a clockwise direction in the Southern Hemisphere, supposedly owing to a physical phenomenon called the Coriolis effect. Named after a French engin...
Folklore states that water drains down the sink in a counterclockwise direction in the Northern Hemisphere and a clockwise direction in the Southern Hemisphere, supposedly owing to a physical phenomenon called the Coriolis effect. Named after a French engineer, this effect is caused by the ...
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What is a blue moon?
“Once in a blue moon” is an expression for something that rarely happens, and of course it leads people to ask, what is a blue moon? A literal blue moon occurs when enough smoke or dust is present in the atmosphere to make the moon appear blue. This occurre...
A literal blue moon occurs when enough smoke or dust is present in the atmosphere to make the moon appear blue. This occurred back in 1883, when the Indonesian volcano Krakatoa exploded, and in 1950, when masses of smoke from Canadian bush fires filled the air.
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Francisco Hernandez

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Jet lag, or desynchronosis, is a condition that's caused by crossing time zones during air travel. It is said to be a symp¬tom of the disruption of the body's circadian rhythms—i.e., the day/night, light/dark cycle, which controls the timing of bodily functions such as when you sleep and eat.
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Why were neckties invented?
It is often questioned why such a seemingly useless item of apparel as the necktie was ever invented. It’s thought by some anthropologists that it might have been the first item of clothing ever worn, taking the form of a strip of fur around the necks of ou...
It is often questioned why such a seemingly useless item of apparel as the necktie was ever invented. It's thought by some anthropologists that it might have been the first item of clothing ever worn, taking the form of a strip of fur around the necks of our ancestors.
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Have him in circles
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Seguro que tú también tienes alguna experiencia con un tuit que se te fue de las manos. Súmale a eso los estudios que dicen que los subidones de serotonina que te dan las interacciones son malos para tu cerebro, por no hablar de lo idiota que pareces cuando...
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Francisco Hernandez

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Folklore states that water drains down the sink in a counterclockwise direction in the Northern Hemisphere and a clockwise direction in the Southern Hemisphere, supposedly owing to a physical phenomenon called the Coriolis effect. Named after a French engineer, this effect is caused by the ...
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Francisco Hernandez

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A literal blue moon occurs when enough smoke or dust is present in the atmosphere to make the moon appear blue. This occurred back in 1883, when the Indonesian volcano Krakatoa exploded, and in 1950, when masses of smoke from Canadian bush fires filled the air.
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Why do we yawn and why is it contagious?
It has traditionally been thought that yawning is an involuntary reflex that draws more oxygen into our bloodstream and removes a buildup of carbon dioxide. This theory was fueled by the notion that when people are bored or tired, their breathing slows, res...
It has traditionally been thought that yawning is an involuntary reflex that draws more oxygen into our bloodstream and removes a buildup of carbon dioxide. This theory was fueled by the notion that when people are bored or tired, their breathing slows, resulting in a lack of oxygen, ...
1
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What causes jet lag and how can it be prevented and cured?
Jet lag, or desynchronosis, is a condition that’s caused by crossing time zones during air travel. It is said to be a symp¬tom of the disruption of the body’s circadian rhythms—i.e., the day/night, light/dark cycle, which controls the timing of bodily funct...
Jet lag, or desynchronosis, is a condition that's caused by crossing time zones during air travel. It is said to be a symp¬tom of the disruption of the body's circadian rhythms—i.e., the day/night, light/dark cycle, which controls the timing of bodily functions such as when you sleep and eat.
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Francisco Hernandez

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It's commonly said that the Great Wall of China is the only manmade structure that can be seen with the naked eye from space or the moon. This proposition has been per- petuated in many sources: it's a question in the board game Trivial Pursuit, it has been contained in schoolbooks across the ...
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Have him in circles
491 people
Colegio Scole Creare's profile photo
Jessica Carolina Andreas's profile photo
Carlos Rosales's profile photo
alejandro flores's profile photo
Alan Rodriguez's profile photo
Sandro Michel's profile photo
ADRIANA ISABEL CORREA MERCADO's profile photo
Pedro Reyes's profile photo
norellY herZ's profile photo
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Blogger de medio tiempo
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No hay preguntas tontas, sólo tontos que no preguntan.
Introduction
Cada artículo pretende entretenerte un rato... y al final espero tu comentario.
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Ayudo a criar a tres mamíferos que me dicen papá.
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Francisco Hernandez's +1's are the things they like, agree with, or want to recommend.
Pulso Digital: Los memes de Memo... Ochoa
www.pulsodigital.net

Los Memes de Memo Ochoa en el Mundial de Brasil 2014

Tubo de cartón para incrementar el volumen de un iPhone / iPod touch | P...
www.pulsodigital.net

¿Han visto esos micro tutoriales consistentes en una solo foto, que dan consejos aparentemente muy útiles? Pues yo si, y la verdad me gustan

Toda la vitalidad del agua. Eso que te gusta, es eso que te mueve | Ciel
www.ciel.com.mx

Porque siempre estás en movimiento, Ciel es el agua que te da la vitalidad para hacer todo lo que te gusta. Ciel, eso que te mueve