| Answer | Crossword Clue |
|---|---|
| DISCOVER | "Scientific American" rival |
| ALDA | "Scientific American Frontiers" host |
| ALDA | Host of "Scientific American Frontiers" |
| ALDA | Alan who hosts "Scientific American Frontiers" |
| ALDA | Host of PBS's "Scientific American Frontiers" |
| ALDA | Longtime host of "Scientific American Frontiers" |
| SILLIMAN | American chemist, organizer of Yale's Sheffield Scientific School. |
