Re: [Texascavers] Texascavers Digest, Vol 47, Issue 25

Minor change to Mark’s version. On a trip w/Brian b4 he passed, to Carrizal, where he recounted the incident and the shaft. On May 29, 2018, at 11:00 AM, texascavers-requ...@texascavers.com wrote: Send Texascavers mailing list submissions to texascavers@texascavers.com To subscribe or

[Texascavers] Fwd: Fruit bat's echolocation may work like sophisticated surveillance sonar - Science360 News Service | National Science Foundation

Interesting bats could be the next step in driverless cars! Subject: Fruit bat's echolocation may work like sophisticated surveillance sonar - Science360 News Service | National Science Foundation