Black Dot Illusion

How many black dots are in the image? How many black dots can you see?

Mind Trick?

Have you ever wondered if your mind is normal? Well, do this little mind exercise and find out ---- Free will or synaptic wiring? You be the judge.

Check out the following exercise, guaranteed to raise an eyebrow. There's no trick or surprise. Just follow these instructions, and answer the questions one at a time and as quickly as you can. Again, as quickly as you can but don't advance until you've done each of them...really.

Now, scroll down (but not too fast, you might miss something)...

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> What is:
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> 1+5
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> 2+4
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> 3+3
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> 4+2
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> 5+1
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Now repeat saying the number 6 to yourself as fast as you can for 15 seconds. Then scroll down.

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> QUICK! THINK OF A VEGETABLE! Then arrow down.
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> Keep going.
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> You're thinking of a carrot, right?
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If not, you're among the 2% of the population whose minds are different enough to think something else. 98% of people will answer with carrot when given this exercise.

The Hubble Telescope spots a 'smile' in space

In the centre of this image, taken with the NASA/ESA Hubble Space Telescope, are two faint galaxies that seem to be smiling.The grinning figure actually shows an enormous galaxy cluster. SpaceTelescope.org explains:

"You can make out two orange eyes and a white button nose. In the case of this “happy face”, the two eyes are the galaxies and the misleading smile lines are actually arcs caused by an effect known as strong gravitational lensing.

Massive structures in the Universe exert such a powerful gravitational pull that they can warp the spacetime around them and act as cosmic lenses which can magnify, distort and bend the light behind them. This phenomenon, crucial to many of Hubble’s discoveries, can be explained by Einstein’s theory of general relativity."

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What do you think about this cosmos smile? Does anyone else think it looks a tad sinister?