How dung beetles navigate by the Milky Way

Dung beetles can navigate by the Milky Way

Dung beetles can use the bright band of the Milky Way and groups of stars to keep moving in a straight direction at night. They are the only insects known to navigate using the galaxy.

Earth’s air gives an eclipsed Moon its red hue

During a total lunar eclipse, sunlight passes through Earth’s atmosphere before reaching the Moon. The air scatters shorter wavelengths, while dustier air can remove more wavelengths and deepen the Moon’s red color.

Human language can create messages nobody has said before

People can combine a limited set of words and rules to make entirely new sentences and express ideas they have never heard before. The animal communication systems described in the source do not show this same open-ended ability.

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How dung beetles navigate by the Milky Way

Dung beetles can navigate by the Milky Way

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