Central nervous system - Development. 1  During early development of the vertebrate embryo, a longitudinal groove on the neural plate gradually deepens and the ridges on either side of the groove (the neural folds) become elevated, and ultimately meet, transforming the groove into a closed tube called the neural tube.
Haym Salomon. Haym Salomon (also Solomon; April 7, 1740 â January 6, 1785) was a Polish-born American Jewish businessman and political financial broker who immigrated to New York City from Poland during the period of the American Revolution.
On Sunday September 9, 1739, the largest slave uprising in the British mainland colonies prior to the American Revolution started when Jemmy led 20 African slaves, all of whom were from the Kingdom of Kongo, south to the Stono River.