This Week in Science: Orangutan paintings, engineered bacteria kills tumors, biodegradable glitter

Bananas about art: Environmental factors, age affect orangutan drawings A recent study analyzed drawings done by five orangutans in a Japanese zoo and found that the drawings — especially those of one orangutan, Molly — correlate with environmental factors like seasons, daily life events and even changes in keeper identity. In total, 790 orangutan drawings […]


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