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‪nuclear testing.wmv‬‏ Millions Fewer Girls Born Due to Nuclear Radiation? Nuclear radiation from bomb tests and power plant accidents causes slightly more boys than girls to be born, a new study suggests.

Millions Fewer Girls Born Due to Nuclear Radiation?

While effects were seen to be regional for incidents on the ground, like Chernobyl, atmospheric blasts were found to affect birth rates on a global scale. The result: Millions fewer females have been born worldwide than would otherwise be expected, researchers estimate. And given Japan's current nuclear troubles, another boy boomlet could be on the way, experts say.

A Time-Lapse Map of Every Nuclear Explosion Since 1945. When We Tested Nuclear Bombs. Since the time of Trinity -- the first nuclear explosion in 1945 -- nearly 2,000 nuclear tests have been performed, with the majority taking place during the 1960s and 1970s.

When We Tested Nuclear Bombs

When the technology was new, tests were frequent and often spectacular, and led to the development of newer, more deadly weapons. But starting in the 1990s, there have been efforts to limit the future testing of nuclear weapons, including a U.S. moratorium and a U.N. comprehensive test ban treaty.