How to create or convert images to PNG format
You can do much more with paint.net than with Paint. You can add layers, adjust colors or remove certain areas of the image with the eraser tool to make the PNG transparent. In GIMP, click on “Layer” ...
Controversial Prop. 65 warning labels about toxic chemicals are effective, study says
A new study finds California's Proposition 65 law has reduced toxic chemical exposure nationwide, despite longstanding criticism over its effectiveness.