Space cookies, mighty mice hitch ride to Earth aboard SpaceX's capsule, from the ISS
“We’re anxious to welcome the mice home!" said Dr Se-Jin Lee in charge of the mice experiment.


US astronaut Christina Koch and Italian astronaut Luca Parmitano pose for a photo with a cookie baked on the International Space Station. Image credit: AP[/caption]“We made space cookies and milk for Santa this year,” NASA astronaut Christina Koch tweeted late last month from the space station, posing with one of the individually wrapped cookies.Scientists also are getting back 40 mice that flew up in early December, including eight genetically engineered to have twice the normal muscle mass. Some of the non-mighty mice bulked up in orbit for the muscle study; others will pack it on once they’re back in the lab.“We’re anxious to welcome the mice home! ” Dr Se-Jin Lee of the Jackson Laboratory in Connecticut said in an email.

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