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Monarch Butterflies Shrink, Get Paler After Skipping a Meal

Brilliantly colored monarch butterflies literally are what they eat—and missing even one meal can be harmful, a new study says.

Scientists Create “Nano-Suits” That Allow Bugs to Survive in A Vacuum

Scientists at the Hamamatsu University School of Medicine in Japan have come up with a special kind of spacesuit that can help keep insects alive in a vacuum. Unlike the gear astronauts wear, the nano-suit — as scientists are calling it — is more than 1,000 times thinner than a human hair and it’s made using electrons.