Using urine and signature whistles from other dolphins, a team of scientists has shown that dolphins use signature whistles like names and hold mental representations of other dolphins in their minds.
Academic rigor, journalistic flair
Stephen F. Austin State University
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An economist explains coal power’s rise and fall in charts.
Every expert we asked talked about the importance of letting children take risks and explore in nature. But they also advised parents to supervise and set limits.
Exposure to nature plays a positive role in brain development by providing children with opportunities to take risks, discover new things, and be creative.
