A very clever cow has learned to use sticks to scratch herself, the first time sophisticated tool use has been seen in ...
A cow’s clever behavior using back-scratching tool forces scientists to rethink intelligence of animals - This type of ...
Current marijuana use among adolescents decreased from 23.1% in 2011 to 15.8% in 2021. First-time use before age 13 also dropped from 8.1% to 4.9%. Marijuana has emerged as one of the most commonly ...
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