Seventy years ago, on September 17, 1955, a modified Convair B-36 departed Carswell Air Force Base in Texas. Legendary U.S.

Download the updated ISC Class 11 Chemistry Syllabus 2025-26 in PDF format for free. Check topic-wise syllabus, marking scheme, and practical details released by CISCE. Ideal for exam preparation.

Historical Perspective Published: May 1999 A unifying concept: the history of cell theory Paolo Mazzarello Nature Cell Biology 1, E13–E15 (1999) Cite this article ...

Kelsey Dennison of Los Alamos is presented with a copy of ‘Atomic Ed’ by Places and Spaces Board Member Kevin Holsapple. Photo by Kris Raber PLACES AND SPACES NEWS RELEASE Kelsey Denisson’s name was ...

The physics of the innermost shells of atoms is qualitatively different in several respect from that of outer electrons. For single deep holes, correlation effects are slight, while the effects of ...