Animals
Giant rats could soon help sniff out illegally smuggled goods
African giant pouched rats can detect landmines and diseases. Now some have been trained to sense elephant ivory, pangolin scales and more.
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Drop in vaping drives tobacco product use by U.S. youth to a record low
The fewest number of U.S. middle and high school students are currently using tobacco products since the National Youth Tobacco Survey began in 1999.
