Related topics: mars

How quickly does the climate recover?

Climate change is causing temperatures to rise and is also increasing the likelihood of storms, heavy rain, and flooding—the recent flood disaster in the Ahr valley in Germany is just one such example. What we need to ask ...

Microfossil spectroscopy dates Earth's first animals

Molecular clock dates for the first animals to walk the Earth don't match the fossil record. Comparing the disparate DNA of two different species and extrapolating how long it would take for them to mutate from a common ancestor ...

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