Niels Harrit and 8 other scientists found nano-thermite in the dust from the World Trade Center.
For better results with customized versions of this video and translations, you can find the original Highbandwidth mp4 files with/without burned-in text, and the subtitle-textfile at:
http://agenda911.dk/harrit/tv2gomorgen/
A site in danish is encouraging people to stand forward demanding a new investigation here:
http://www.i11time.dk/
The full report from the scientists can be found here.