The guy in the second truck asks after his dogs, the playful pack of black labs wearing radio tracking collars I passed coming up the road. (cnet.com)
After letting the bats experience sundown at a site near their typical roost, the team waited until after midnight (when polarized light was no longer visible in the sky), transported the animals to two sites between 20 and 25 kilometers from the roost, strapped radio tracking devices to them, and then released them. (sciencemag.org)
For that, the team drew on radio tracking data that monitored the location of NASA's MESSENGER spacecraft while the mission was active. (sciencedaily.com)