[Telepathic Intruder]

Interesting fact. GRB’s can’t be detected on the ground because they’re absorbed by the ozone layer. A really bad GRB could cripple or destroy it.

[Ozark Tom]

Terrestial gamma ray flash (TGF) produced in thunder storms were originally detected during experimental observations from aircraft targeting sprite and jet formation. Observations and data gathering continue in order to determine if any hazard exists for commercial air passengers.

http://news.ufl.edu/archive/2009/12/lightning-produced-radiation-a-potential-health-concern-for-air-travelers.html

https://arxiv.org/pdf/1509.00997.pdf