The Cause of Brain Freeze Revealed

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May 312012

Most people have likely experienced brain freeze — the debilitating, instantaneous pain in the temples after eating something frozen — but researchers didn’t really understand what causes it, until now.

Previous studies have found that migraine sufferers are actually more likely to get brain freeze than people who don’t get migraines. Because of this, the researchers thought the two might share some kind of common mechanism or cause, so they decided to use brain freeze to study migraines.

Headaches like migraines are difficult to study, because they are unpredictable. Researchers aren’t able to monitor a whole one from start to finish in the lab. They can give drugs to induce migraines, but those can also have side effects that interfere with the results. Brain freeze can quickly and easily be used to start a headache in the lab, and it also ends quickly, which makes monitoring the entire event easy.

The researchers brought on brain freeze in the lab by having 13 healthy volunteers sip ice water through a straw right up against the roof of their mouth. The volunteers raised their hands when they felt the familiar brain freeze come on, and raised them again once it disappeared.

The researchers monitored the blood flow through their brains using an ultrasoundlike process on the skull. They saw that increased blood flow to the brain through a blood vessel called the anterior cerebral artery, which is located in the middle of the brain behind the eyes. This increase in flow and resulting increase in size in this artery brought on the pain associated with brain freeze. [Top 10 Mysteries of the Mind]

When the artery constricts, reining in the response to this increased flow, the pain disappears. The dilation, then quick constriction, of this blood vessel may be a type of self-defense for the brain, the researchers suggested.

“The brain is one of the relatively important organs in the body, and it needs to be working all the time,” study researcher Jorge Serrador, of Harvard Medical School, said in a statement. “It’s fairly sensitive to temperature, so vasodilation [the widening of the blood vessels] might be moving warm blood inside tissue to make sure the brain stays warm.”

This influx of blood can’t be cleared as quickly as it is coming in during the brain freeze, so it could raise the pressure inside the skull and induce pain that way. As the pressure and temperature in the brain rise, the blood vessel constricts, reducing pressure in the brain before it reaches dangerous levels.

If other headaches work in the same way, drugs that stop these blood vessels from opening up, or that could make this blood vessel constrict could help treat them, the researchers say. [Big Headaches: Facts on Migraines]



 Amusing  Comments Off on Yolk
May 312012

Artist Duane Keiser demonstrates a rather unusual way to crack an egg in this video entitled Yolk, from his A Painting A Day series of online videos.

Duane’s painting series might be just what you need to fill that void left behind by Bob Ross’ death years ago, and this little fluffy egg video is a great place to start your new painting show obsession.

Now grab your brushes and palette and paint the yolk outta that egg!


Random Riddle

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May 312012
A blink of an eye.
Hold your mouse over for the answer.
I’m so fast you can’t see me though everyone sees straight through me. I don’t stop until the day you die.

What am I?

The Difference Between Heaven and Hell

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May 302012

In Heaven:
The cooks are French,
The policemen are English,
The mechanics are German,
The lovers are Italian,
The bankers are Swiss.

In Hell:
The cooks are English,
The policemen are German,
The mechanics are French,
The lovers are Swiss,
The bankers are Italian.

Random Riddle

 Riddles  Comments Off on Random Riddle
May 302012
Hold your mouse over for the answer.
A room with no windows or doors Walks in the night, grows in a day, Is found where there is death and decay.

Hang Drum Duet

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May 292012

Relax and as always… Enjoy!

Video Description:

A short hang drum duo video filmed on an autumnal morning in the beautiful town of Bath Spa. Hang music by Danny Cudd (hang playing hedge monkeys). Played by Danny Cudd and Markus Johansson. Hang is a beautiful instrument handmade in Switzerland.

The World’s Biggest Meat Sandwich

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May 292012

This monster snack is the world’s meatiest sandwich – crammed from bottom to top with 41 different cuts of meat including sausages, ham, turkey and – of course – bacon.

Before you tuck in youought to have planned for a long lunch break as this megawich will take an overwhelming ten hours to eat
The massive sarnie, dubbed a ‘carnivore’s dream’, stands a whopping 15 inches high, 24 inches wide and tips the scales at more than two stones.

It contains 1,445 grams of ham, two kilograms of salami, turkey and bacon, one kilogram of sausages and 720 grams of chorizo.

Hidden among the meat is cheese and gherkins and if you look carefully you might even be able to spot some salad between the cuts.

It was made by British chef and restaurateur Tristan Welch to mark the launch of TV programme Man v. Food Nation on Food Network UK.

The new show sees host Adam Richman travelling through the United States encouraging people to take on daring food challenges.
Luckily for all meat lovers Mr Welch has shared the recipe online so that brave diners can take on the challenge at home.

Nick Thorogood, from the Food Network, said: ‘The world’s meatiest sandwich is an epic creation.

‘We expect only the very brave will take on the challenge and attempt to eat it.

‘We wanted to create a sandwich that embodies the Man v. Food Nation series – that is big dishes, big flavours and big challenges.

‘It is definitely a dish that host Adam Richman will be proud of.’


Random Riddle

 Riddles  Comments Off on Random Riddle
May 292012
A traffic light.
Hold your mouse over for the answer.
I stare at you,
you stare at me.
I have three eyes,
Yet I cannot see.
Every time I blink,
I give commands.
You do as you are told.
With your feet and hands.

What am I?