Where are the best places to land humans on Mars?

Want to go to Mars? Great, now all you need to do is plan a mission. Figure out where to land, what to bring, and how you're going to live there in the months (or years) between favorable return windows. All this will be ...

Researchers answer a longstanding question about nematode teeth

Researchers at the Max Planck Institute for Biology in Tübingen have produced the first sound evidence that the teeth of the nematode Pristionchus pacificus consist of chitin. In doing so, they not only answer the long-standing ...

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