The article focuses on the mission of the University of California, Berkeley Center for Green Chemistry to teach a new generation of students about the safety of toxic chemicals that make up the people's lives. It emphasizes the goal of t...
Many substances consist of chemicals, including the air that we breathe and the water that we drink. Some chemicals are natural, but most of them are artificial and may be harmful to the human body. In 2005, Hurricane Katrina struck the United States, so displaced people had to move into...
That includes reducing processing waste, using renewable materials.The 12Principles of Green Chemistry lay out the goals of this approach. The first is prevention. It is better to prevent waste than to treat it or clean it up.Another prineiple encourages less dangerous chemical synthesis(化合))-...
Scientific studies show that laughter produceschemicalsto make people feel better, which ___ clown doctors can be helpful. I chose this ___ because of my experience of going to hospital when I was a kid. Although the doctors and nurses did a great job, hospitals weren’t really designed ...
Warning: Some of the chemicals listed above are highly dangerous and may harm health if inhaled, ingested or on contact with skin. Always read and follow safety advice on packaging and be sure that you know how to treat or avoid chemical substances around you. See also more molecular formula...
and to change the world of textiles. Or more accurately: to improve it. Our experts around the world continually seek (and find) answers for the textile-related challenges that brands, dyehouses and mills face. We collaborate to optimise production processes and improve the quality of textiles,...
Water pollution is when waste, chemicals(化学品), or other things cause a body of water to become harmful to the fish and animals that need the water to live on. 1 A lot of water pollution comes from human activities. Some human causes include pesticides(杀虫剂) and fertilizers(化肥) fro...
aEnglish was invented by people, not computers, and it reflects the creativity of the human race, which, of course, is not a race at all. That is why, when the stars are out, they are visible, but when the lights are out, they are invisible.[translate] ...
What Chemicals make up DNA? When analyzing DNA it is important to understand it and all the chemicals that it is made of. The first thing that’s important to know is simply what DNA stands for, which is deoxyribonucleic acid. The chemical units are called nucleotides, and each nucleotide ...
Marsit:I definitely think we should be concerned. One — they’re found in pretty much every person in the United States. The data from theNational Health and Nutrition Examination Surveyhas shown that these can be detected in pretty much everyone — and that’s everyone from small children ...