Researchers are studying antlers, with the goal of building stronger helmets; they are looking at a species of fly that has acute hearing, with a view toward improving hearing aids; and they are examining the wing feathers of owls, with the idea of improving stealth airplanes.
اما هر قدر هم که این دانشمندان تلاش کنند ،‏ دست‌آوردهای‌شان نمی‌تواند مانند نمونهٔ کاملی باشد که در طبیعت یافت می‌شود .‏