8am Newscast September, 7, 2026

0:00Canada is set to impose new recalculatory tariffs on U.S. goods starting tomorrow. The duties range from 15 to 50 percent and cover about $20 billion worth of American imports. Products include steel, aluminum, appliances, electronics, clothing, and some food. Canada says the tariffs are a dollar-for-dollar response to President Trump's new 50 percent duties on Canadian goods. The move comes after trade talks between the two countries collapsed last month. Researchers estimate that thousands of genetic variants help shape personality. As according to a recent study published in the journal Nature, NPR's Katie Arittle reports. Psychologists frequently describe personality using five broad dimensions. Openness, conscientiousness, extroversion, agreeableness, and eroticism. A new study identified more than 1,000 genetic markers associated with these traits and

1:00suggests that thousands more may contribute a very small effect. Elliott Tucker-Drab is a psychology professor at the University of Texas at Austin and one of the study's leaders. If we were to focus on one and anyone that we focus on would have a very small effect by itself, it's really the effects that work in aggregate that matter. Genetics is only one influence on whether someone is relatively introverted or extroverted, for example, environment, culture, and life experiences also help shape personality. Katie Arittle, NPR News. Wall Street is closed for the Labor Day holiday trading on the exchange resumes tomorrow. I'm Windsor Johnston, NPR News in Washington. Support for NPR comes from EBSCO, committed to helping libraries make collections more connected and discoverable with linked data and folio, so researchers can navigate information and find what matters. Learn more at aboutebsco.com and from the Public Welfare Foundation.

2:01Support comes from specs, featuring a variety of whiskies this month from smooth to smoky and bold to balanced, from known and small batch to stillers. Selection and details at specsonline.com. The fun starts here. Support for Houston Public Media comes from Texas Mutual Insurance Company, a workers compensation provider committed to helping Texas communities and emphasizing safety. More at texasmutual.com slash Texans get it. Support for Houston Public Media comes from the Houston Ballet, two hearts, one impossible destiny, a love story that costs everything. Sir Kenneth McMillan's Manel, tickets available at Houston Ballet.org. Support for Houston Public Media comes from Central Market, with wines, beers, and non-alcoholic options to toast the final days of summer and pair with cheese and charcootery. More at CentralMarket.com.