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We can also get clues from non-living things in nature. One example is Othe honeycomb, or
bee's nest. 2( of / is / hexagonal tubes / a honeycomb / composed), which makes it very strong,
though there are a lot of empty spaces. The honeycomb structure is ideal for products that need
to be both strong and light, such as airplanes and racing cars.
Now( 3 )you know a lot ofexamples of *biomimetics," you can understand how great nature
is. Every living thing has evolved to live longer and more comfortably in harsh environments.
By studying them, we can find clues to help improve our own lives. So, we could say that we are
oY
surrounded by ④undiscovered treasures in nature.