OPB

Portland Mayor Ted Wheeler bans use of CS tear gas in ongoing protests

Portland, Ore. Sept. 10, 2020 5:32 p.m. Updated: Sept. 11, 2020 9:40 p.m. After more than 100 days of demonstrations for racial justice, Portland Mayor Ted Wheeler has banned the city’s police force ...
National Academies of Sciences%2c Engineering%2c and Medicine

Using Surface Energy Measurements to Select Materials for Asphalt Pavements

Unfortunately, this book can't be printed from the OpenBook. If you need to print pages from this book, we recommend downloading it as a PDF. Visit NAP.edu/10766 to get more information about this ...
来自MSN

BMW M3 CS combines power with everyday use

The BMW M3 CS brings 550hp and sharper tuning to the M3 lineup, but at a much higher cost. With carbon parts, aggressive styling, and added power, it offers excellent grip and balance despite its ...
Nature

Creation of genome-wide protein expression libraries using random activation of gene expression

Identification and overexpression of previously unknown genes associated with human disease is an important step toward developing new therapeutics. Current approaches rely on cloning and expressing ...
Investopedia

Expense: Definition, Types, and How It Is Recorded

Daniel Liberto is a journalist with over 10 years of experience working with publications such as the Financial Times, The Independent, and Investors Chronicle. David Kindness is a Certified Public ...