डॉल्फिन स्विमिंग इन द सी एक्सपीरियंस विद फ्रिक्शन
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Summary: Physicists in Japan have discovered how the surface of a dolphin's skin reduces drag and helps them glide smoothly and quickly through water. ... Professor Yoshimichi Hagiwara and colleagues found that the 'softness' or 'waviness' of the skin helps reduce drag caused by friction.
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