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Photos of the Day: Photos of the Day 03/09

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Alexander Graham Bell recordings discovered after 130 years

Alexander Graham Bell went on to invent the telephone, but before he did that he experimented with recording devices. The old disks were considered unplayable until new technology gave scientists the chance to listen to the recordings for the first time in 130 years.
Photos of the Day: Photos of the Day 03/09
This tinkerer's literal light bulb of discovery was halogen

A bomb disposer, bulb creator, "mad-scientist father," and inveterate inventor, Elmer Fridrich has been puttering – and patenting – for over 50 years.

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Mae Azango has gone undercover to report on female circumcision, a rite of the Sande society in Liberia that is performed on young girls.

Mae Azango exposed a secret ritual in Liberia, putting her life in danger

When journalist Mae Azango wrote about a secret women's circumcision ritual in Liberia, she received death threats.