The first thing Brazilian astrobiologist Rebeca Gonçalves remembers learning as a child was the order of the planets. Her uncle, an astrophysicist, also taught her all about the constellations dotting the night skies over Sao Paulo. "Ever since I was little, I have been in love with space," she said.
That led to a career in space agriculture, figuring out how to grow food on other planets. She credits time later spent living among the Kambeba, an Indigenous tribe in the Amazon rainforest she is descended from, for her conviction that it is essential that she do more than explore distant worlds. She wants to preserve this one, too.
"It's a very conscientious topic within the world of space agriculture science," said Gonçalves, noting that "every single piece of research that we produce must have direct benefits to Earth."
That ideal makes her latest research particularly timely. She and a team at the Wageningen University & Research Centre for Crop System Analysis found that an ancient Maya farming technique called intercropping works surprisingly well in the dry, rocky terrain of Mars.
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