pp 407-408 April 2019 Editorial

Editorial

pp 409-409 April 2019 Science Smiles

Science Smiles

pp 413-416 April 2019 Article-in-a-Box

Hermann Joseph Muller (21 December 1890--05 April 1967)

Bodhisatta Nandy

pp 417-431 April 2019 General Article

H J Muller: The Remarkable Genius Who Redefined Genetics

Bodhisatta Nandy

pp 433-444 April 2019 General Article

GAIA: The 3D Milky Way Mapper

Hasan Priya

pp 445-457 April 2019 General Article

Point and Space Groups of Graphene

Samiul Islam Ashraf S S Z

pp 459-476 April 2019 General Article

Interpretation of Both Electron Pushing and Electron Withdrawing Inductive Effect of Alkyl Groups in Terms of Mulliken-Jaffe's Charge Coefficient Parameters (b)

Asim K Das

pp 477-489 April 2019 General Article

Beyond Riemann With Volterra, Henstock, and Kurzweil

Mohammad Yasir Feroz Khan

pp 491-506 April 2019 General Article

Nature-LKT: A Trial Experience in Nature Science Learning

Rosalia Romero Tena Juan Jesur Gutierrez Castillo Maria Puig Gutierrez

pp 507-507 April 2019 Information and Announcements

Indian Institute of Science Education and Research, Kolkata

pp 508-508 April 2019 Information and Announcements

Flora of Peninsular India

pp 509-509 April 2019 Flowering Tree

Flowering Tree