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Science Magazine - One Issue Planetary Anatomy. Seismology on Mars reveals details of planet's interior Should race be a factor in medical risk calculations? Probing psychological understandings of legal constructs Cranial immune cells home in on the brain Pages 361-464 Cover: Vital clues to a planet's geologic history are contained in its interior. For 2 years on Mars, the InSight lander has recorded seismic data to constrain the planet's interior structure. The data reveal a layered crust, a mantle with a thick lithosphere, and a liquid iron-nickel core enriched in light elements, suggesting that Mars formed and evolved differently from Earth. See pages 388, 434, 438, and 443. Illustration: C. Bickel/Science; Data: InSight Mars SEIS Data Service (2019) Each additional magazine ships for $1. You have to use the shopping cart to get this discount