However, you should not delay inclusion of known sources of emissions, including indirect emissions from biofuels, pending discovery of potential effects from other fuels. (greencarcongress.com)
She has since told me that she found it on the internet and does nt know the source of the recipe, she does nt feel that she should take credit for the mix. (celiac.com)
The aim is to create tiny «chips» that can separate pieces of DNA and match them with genetic material from known sources. (newscientist.com)