Scientists from the Tata Institute of Fundamental Research, Mumbai, Université libre de Bruxelles- Institute of Neuroscience, Belgium, Indian Institute of Science, Education and Research, Pune and Sophia College for Women, Mumbai are now a step closer to understanding how the development of neural and glial cells – the two primary cell types in our brains – is regulated in a developing brain.
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Born on 26th November, 1926, in Jhang, in undivided Punjab, Dr. Yash Pal was an Indian scientist, educator, science communicator and educationist. After completing his M.Sc. degree in Physics from Panjab University, he moved to the Massachusetts Institute of Technology for his PhD. His areas of specialisation included cosmic rays.
In 1948, celebrated physicist and Nobel laureate, Richard Feynman introduced what came to be called Feynman diagrams. These were a pictorial representation of mathematical equations and served as a powerful tool in understanding and visualizing complex interactions between sub-atomic particles like protons and electrons. But this simplistic tool could not handle complex problems, where particles underwent many interactions, but instead produced incomprehensible and confounding answers, like infinities.
Indian astronomers have detected microstructure emissions from a millisecond pulsar for the first time. Millisecond pulsars (MSP) are highly magnetized, rapidly rotating neutron stars that take as little as one-thousandth to one-hundredth of a second to rotate about its axis once. In a recently published study, scientists from the Department of Physics at the Indian Institute of Science (IISc) and the National Centre for Radio Astrophysics (NCRA), Tata Institute for Fundamental Research (TIFR), have discovered these microstructure emissions using the Giant Metrewave Radio Telescope (GMRT), an array of thirty antennae scanning the sky for radio sources. They are now uncovering the processes that produce these microstructure emissions. While similar emissions had been discovered from more slowly rotating pulsars, this is the first time they have been discovered coming from millisecond pulsars.