NASA hedges its bets on costly Mars rock mission
NASA has announced it is moving forward with several plans to return rock samples from Mars.
from NPR Topics: News https://ift.tt/iD9OMk0
How to help children cope after shootings like the San Diego mosque killings
Children closest to an incident of gun violence have the most risk of lasting psychological effects. Here's what all parents should know about how to buffer trauma. (Image credit: Gregory Bull) from NPR Topics: News https://ift.tt/vlntFMT
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