pp 469-470 April 2021 Editorial

Editorial

pp 471-471 April 2021 Science Smiles

Science Smiles

pp 475-477 April 2021 Article-in-a-Box

Lynn Margulis: The Champion of Symbiogenesis

Varsha Singh

pp 479-489 April 2021 General Article

The Origin of Eukaryotic Cells

Varsha Singh

pp 491-513 April 2021 General Article

Drilling Holes Through Balls and Cubes: Maximizing the Total Exposed Surface Area

Jaskirat Kaur Jasmeen Lally Jyotirmoy Sarkar

pp 515-522 April 2021 General Article

Ghosh’s Law: A Retrospection

Rajarshi Ghosh

pp 523-536 April 2021 General Article

Stochastic Energetics and Thermodynamics at Small Scales

Sourabh Lahiri Jayannavar Arun M

pp 537-550 April 2021 General Article

A Ride to Exoplanets: Finding Potentially Habitable Worlds

Simran Kaur Varinderjit Kaur

pp 551-573 April 2021 Classroom

Ecology for Birdwatchers: A Simple Introduction to Optimal Foraging Theory

Abdul Urfi

pp 575-578 April 2021 Classroom

On the Rank of a Matrix

S Kesavan

pp 579-583 April 2021 Classics

Whittaker’s Five Kingdoms of Organisms:

pp 585-586 April 2021 Crossword

Crossing Words with Astronomy

Indulekha K

pp 587-588 April 2021 Information and Announcements

Science Academies’ Refresher Course on Spectroscopic Techniques: New facets in contemporary fields of chemical, material and pharmaceutical sciences

pp 589-589 April 2021 Life Under Water

Laced Moray