Lightning was the main electromagnetic presence in the Earth's atmosphere long before the invention of electricity.
Lightning was the main electromagnetic presence in the Earth's atmosphere long before the invention of electricity. There are some 2,000 thunderstorms active at any given time, so humans and other organisms have been bathed in extremely low frequency (ELF) electromagnetic fields for billions of years.
These electromagnetic fields — the result of global lightning activity known as Schumann Resonances — are weak and difficult to detect. Scientists never suspected that they had any tangible impact on life on Earth. But a new Tel Aviv University study finds that these fields may have protective properties for organisms living under stress conditions.
Read more at American Friends of Tel Aviv University
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