科学与环境

Bats may have first evolved in Europe 65 million years ago

来源: All Top News -- ScienceDaily · 发布于

A huge genomic and fossil study suggests bats first evolved in Europe around 65 to 60 million years ago before spreading across the globe. The findings also indicate that flight and echolocation emerged near the beginning of bat evolution, potentially helping explain how bats bec

A huge genomic and fossil study suggests bats first evolved in Europe around 65 to 60 million years ago before spreading across the globe. The findings also indicate that flight and echolocation emerged near the beginning of bat evolution, potentially helping explain how bats became one of the most successful mammal groups on Earth.

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Earth and Mars: Built from different cosmic recipes
科学与环境

Earth and Mars: Built from different cosmic recipes

Four and a half billion years ago, Earth and Mars were born in the rotating cloud of gas and dust that would eventually become our solar system. Yet exactly how the planets formed remains one of the most disputed questions in planetary science.

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The north pole of Mars is less dusty than scientists thought
科学与环境

The north pole of Mars is less dusty than scientists thought

Although Mars may have once resembled Earth, the rocky red planet now appears far from hospitable. Still, certain details—such as ice-bound water—pique researchers' curiosity. As on Earth, ice on Mars contains valuable records of past climate that could reveal whether the planet

Phys.org - latest science and technology news stories ·