Multiple lifetime feeding studies have failed to demonstrate any tumorigenic potential for glyphosate. Accordingly, it was concluded that glyphosate is noncarcinogenic. Glyphosate, AMPA, and POEA were not teratogenic or developmentally toxic.
http://www.ncbi.nlm.nih.gov/pubmed/10854122/
non-carcinogenic (ie. does not cause cancer)
non-tumorigenic (ie. does not cause tumors)
non-teratogenic (ie. does not cause birth defects)
NOT from the EPA - this is from NIH - National Institute of Health - the full study is available. The above link is to the abstract.
So far Nature News is batting 0 for 1 on this issue. If they have REAL evidence, I will read it and comment on it.
Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good ...