Test of relativistic time dilation with fast optical atomic clocks at different velocities(时间相对论的论证) Time dilation is one of the most fascinating aspects of special relativity as it abolishes the notion of absolute time. It was first observed experimentally by Ives and Stilwell in 1938 ...
Mesenchymal Stem Cells Cooperate with Bone Marrow Cells in Therapy of Diabetes ABSTRACT Several recent studies have suggested that the adult bone marrow harbours cells that can influence -cell regeneration in diabetic animals. Other reports, however, contradicted these findings. To address ...
p53 Enters the MicroRNA World Hermeking H . Molecular Oncology, Max-Planck-Institute of Biochemistry, Am Klopferspitz 18, D-82152 Martinsried, Germany. Recently, microRNAs, which are regulated by the transcription factor encoded by the tumor suppressor gene p53, were identified independ ...