Why the y is so weird

Article Abstract:

An historical analysis of the findings of research into sex chromosomes is presented. Scientists theorize that X and Y chromosomes began to be distinguished from each other in recombination capacity roughly 300 million years ago. It is supposed that compensation for deficiencies that crept into male-differentiating Y chromosome prevented a cycle of halving of proteins. Postulations regarding future differentiation between X and Y chromosome are examined.

Research, History, Genetic recombination, Genetic research, Sex determination, Genetic, Sex determination (Genetics), X chromosome, Sex differentiation, Sex chromosomes, Y chromosome

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Children of the gun

Article Abstract:

Three hundred thousand children are doing battle in 36 war-torn regions. Forced conscription, systematic indoctrination of youth, and kidnapping contribute compliant soldiers to these ethnic conflicts. Statutes of the International Criminal Court, expected to be ratified in 2001, will make the use of soldiers younger than 15 a war crime.

International aspects, Children and war, Child soldiers

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Dwarf galaxies & starbursts

Article Abstract:

Twelve billion light-years from earth, the dwarf galaxy NGC 5253 is producing new stars at an incredible rate. Scientists hypothesize that starbursts may accelerate when dwarf galaxies interact with other galaxies or gas clouds.

Galaxies, Galactic evolution, Stars

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