Oddlets from United States.

He delivered three-hour speeches that left grown legislators pale and silent, in a voice that never finished puberty.

Nellie Bly spent one night practicing insanity in a mirror, then fooled every doctor who examined her.

She discovered that carbon dioxide traps heat in 1856, and then history erased her name for 154 years.

She discovered the greenhouse effect in 1856, then sat in the audience while a man read her paper aloud because women weren't allowed to present their own work.