Approximate Bone News Today

>> reporter: weather is the only concern we had an hours worth of rain. we will see how it holds up as we get close to launch time 5. . 55 earn time. it is a 70% chance for g. live out on launch pad 39 a, four hours or so until blast off. everything else, nothing to worry. 6,000 pounds of supplies and 200 plus science experimentos board the cargo dragon. including a group of mice to see approximate bone can be grown in their body in space to combat osteoporosis and bone loss a concern for astron...