Sid Sivakumar

Sid Sivakumar is a St. Louis, Mo.-based puzzle constructor and M.D./Ph.D. student in biomedical engineering and neuroscience.

All Stories by Sid Sivakumar

  1. Limits of Knowledge Crossword

    Solve our latest interactive crossword. We'll publish science-themed crosswords and math puzzles on alternating months.

Use up and down arrow keys to explore.Use right arrow key to move into the list.Use left arrow key to move back to the parent list.Use tab key to enter the current list item.Use escape to exit the menu.Use the Shift key with the Tab key to tab back to the search input.