What water trapped on Mars means for Nasa's mission
Episode description
The discovery that several oceans’ worth of ancient water may reside in minerals buried below the surface of Mars could help the current mission looking to find evidence of life on the red planet. Planetary geologist at London’s Natural History Museum Dr Joel Davis says the new study fills a gap in knowledge of where water on early Mars disappeared to. Plus, could lightning strikes occurring over a billion years have provided the spark of life for early Earth, scientists grow miniature tear glands capable of crying and, why the regent honeyeater has lost its tune.
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