NASA has logged another extraterrestrial first on its latest mission to Mars: converting carbon dioxide from the Martian atmosphere into pure, breathable oxygen, the U.S. space agency said on Wednesday.
Only about 2% of plastics are fully recycled currently. PDK plastics could solve the single-use crisis. (Chanchai Phetdikhai/Shutterstock) Plastics are a part of nearly every product we use on a daily basis. The average person in the U.S.