Washington, D.C. – The Air Force won't court-martial two Illinois pilots who mistakenly bombed Canadian troops last year, killing four in Afghanistan. That's according to a senior defense official who spoke only on the condition of anonymity.
St. Louis, Mo. – New findings out of Washington University in St. Louis could lead to better information about the causes of male infertility.
Working with scientists in Massachusetts, the St. Louis team discovered that the male Y chromosome contains many duplicate genes that control sperm production.
Dr. Rick Wilson directs Washington University's Genome Sequencing Center. He says the findings disprove a theory that suggested the Y chromosome is slowly degrading, leading to the eventual extinction of human males.