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What the federal marijuana policy shift means for cannabis use and research
7:35
YouTubePBS NewsHour
What the federal marijuana policy shift means for cannabis use and research
President Trump signed an executive order reclassifying the federal status of marijuana, categorizing it as a drug with less potential for harm and dependence. It's a major shift in policy that could have wide-ranging effects on cannabis use and research. William Brangham discussed more with Beau Kilmer of the RAND Drug Policy Research Center ...
已浏览 4万 次3 天之前
短视频
PBS News Hour full episode, Dec. 17, 2025
56:46
已浏览 8.1万 次
PBS News Hour full episode, Dec. 17, 2025
PBS NewsHour
PBS News Hour full episode, Dec. 18, 2025
56:46
已浏览 9.6万 次
PBS News Hour full episode, Dec. 18, 2025
PBS NewsHour
Black Holes Explained
Black Holes Explained – From Birth to Death
5:56
Black Holes Explained – From Birth to Death
YouTubeKurzgesagt – In a Nutshell
已浏览 2681.8万 次2015年12月15日
Black Holes 101 | National Geographic
3:11
Black Holes 101 | National Geographic
YouTubeNational Geographic
已浏览 1040.7万 次2018年9月20日
What is a Black Hole? We Asked a NASA Expert
1:34
What is a Black Hole? We Asked a NASA Expert
YouTubeNASA
已浏览 7.1万 次7 个月之前
热门视频
What’s in the U.S. weapons package for Taiwan and why China is angry
5:39
What’s in the U.S. weapons package for Taiwan and why China is angry
YouTubePBS NewsHour
已浏览 21.5万 次3 天之前
PBS News Hour live episode, Dec. 19, 2025
57:02
PBS News Hour live episode, Dec. 19, 2025
YouTubePBS NewsHour
已浏览 1.5万 次2 天之前
PBS News Weekend full episode, Dec. 20, 2025
26:46
PBS News Weekend full episode, Dec. 20, 2025
YouTubePBS NewsHour
已浏览 8.3万 次1 天前
What’s in the U.S. weapons package for Taiwan and why China is angry
5:39
What’s in the U.S. weapons package for Taiwan and why China is angry
已浏览 21.5万 次3 天之前
YouTubePBS NewsHour
PBS News Hour live episode, Dec. 19, 2025
57:02
PBS News Hour live episode, Dec. 19, 2025
已浏览 1.5万 次2 天之前
YouTubePBS NewsHour
PBS News Weekend full episode, Dec. 20, 2025
26:46
PBS News Weekend full episode, Dec. 20, 2025
已浏览 8.3万 次1 天前
YouTubePBS NewsHour
PBS News Hour full episode, Dec. 17, 2025
56:46
PBS News Hour full episode, Dec. 17, 2025
已浏览 8.1万 次4 天之前
YouTubePBS NewsHour
PBS News Hour full episode, Dec. 18, 2025
56:46
PBS News Hour full episode, Dec. 18, 2025
已浏览 9.6万 次3 天之前
YouTubePBS NewsHour
WATCH LIVE: Trump touts economic agenda at North Carolina rally
2:47:06
WATCH LIVE: Trump touts economic agenda at North Carolin…
已浏览 1.7万 次2 天之前
YouTubePBS NewsHour
WATCH LIVE: Johnson, Trump Jr., Erika Kirk and Vance speak at Turning Point USA conference
2:24:56
WATCH LIVE: Johnson, Trump Jr., Erika Kirk and Vance speak at Tur…
已浏览 4119 次11 小时之前
YouTubePBS NewsHour
3:53
News Hour West signs off
已浏览 6.6万 次2 天之前
YouTubePBS NewsHour
6:38
How online retailers are using AI to adjust prices by mining your pers…
已浏览 4.3万 次1 天前
YouTubePBS NewsHour
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