After an orangutan hurt his face, scientists observed him chewing a plant known to relieve pain and applying a paste made from the leaves to the injury.
After an orangutan hurt his face, scientists observed him chewing a plant known to relieve pain and applying a paste made from the leaves to the injury.
After an orangutan hurt his face, scientists observed him chewing a plant known to relieve pain and applying a paste made from the leaves to the injury.
After an orangutan hurt his face, scientists observed him chewing a plant known to relieve pain and applying a paste made from the leaves to the injury.
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