This is really weird.  I have a PNG image.  I tried to make it smaller by 
resizing it down, but instead it got BIGGER.  I don't understand this at 

I put the images on the web:

Original:  http://www.math.umd.edu/~dcarrera/screenshot.png
Resized:   http://www.math.umd.edu/~dcarrera/screenshot_resized.png

With width and height of the resized image are 0.8 times the size of the 
original, so I would have imagined that the resized image would be 
0.8*0.8 = 0.64 times the size of the original, but that's not the case:

$ du -sk *
52      screenshot.png
128     screenshot_resized.png

The new image is over 4 times bigger than the original!

These are RGB images BTW, but that shouldn't cause this.

Does anyone know what's happening?

Daniel Carrera         | OpenPGP fingerprint:
Graduate TA, Math Dept | 6643 8C8B 3522 66CB D16C D779 2FDD 7DAC 9AF7 7A88
UMD  (301) 405-5137    | http://www.math.umd.edu/~dcarrera/pgp.html

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