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Lincoln's Surprising Voice Pitch
- Abraham Lincoln had a much higher tenor voice than commonly portrayed in media.
- Listeners took about ten minutes to adjust before appreciating his speeches.
Ancient Scottish Crannogs Discovery
- A retired navy diver discovered Scottish ancient artificial islands called crannogs.
- These predate Stonehenge and pyramids by thousands of years and people used them for feasts or rites.
Lichen's Complex Symbiosis
- Lichens are symbiotic organisms combining fungus and algae or cyanobacteria.
- Recent discoveries show lichens also contain a third fungal partner influencing their biology.