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Story history
Score and comment observations over time
Ancient South American families built waterways by themselves
HN #49,387,670 | submitted 2026-08-21 13:20 UTC | popsci.com
42 observationsby gmays
1 points
Latest score
0 comments
Latest comments
0
Score change
Rank history is not tracked yet in the current dataset, so this first slice focuses on score and comment movement.
Score
Range 1 to 1
2026-08-21 13:23 UTC2026-08-21 16:40 UTC
Comments
Range 0 to 0
2026-08-21 13:23 UTC2026-08-21 16:40 UTC
Observation history
Observation times are irregular and reflect when the tracker refreshed this story.
First 2026-08-21 13:23 UTCLatest 2026-08-21 16:40 UTC
| Observed at | Score | Comments | Rank |
|---|---|---|---|
| 2026-08-21 16:40 UTC | 1 | 0 | not tracked |
| 2026-08-21 16:36 UTC | 1 | 0 | not tracked |
| 2026-08-21 16:31 UTC | 1 | 0 | not tracked |
| 2026-08-21 16:24 UTC | 1 | 0 | not tracked |
| 2026-08-21 16:19 UTC | 1 | 0 | not tracked |
| 2026-08-21 16:15 UTC | 1 | 0 | not tracked |
| 2026-08-21 16:10 UTC | 1 | 0 | not tracked |
| 2026-08-21 16:05 UTC | 1 | 0 | not tracked |
| 2026-08-21 16:00 UTC | 1 | 0 | not tracked |
| 2026-08-21 15:56 UTC | 1 | 0 | not tracked |
| 2026-08-21 15:51 UTC | 1 | 0 | not tracked |
| 2026-08-21 15:47 UTC | 1 | 0 | not tracked |
| 2026-08-21 15:42 UTC | 1 | 0 | not tracked |
| 2026-08-21 15:37 UTC | 1 | 0 | not tracked |
| 2026-08-21 15:33 UTC | 1 | 0 | not tracked |
| 2026-08-21 15:28 UTC | 1 | 0 | not tracked |
| 2026-08-21 15:21 UTC | 1 | 0 | not tracked |
| 2026-08-21 15:16 UTC | 1 | 0 | not tracked |
| 2026-08-21 15:12 UTC | 1 | 0 | not tracked |
| 2026-08-21 15:07 UTC | 1 | 0 | not tracked |
| 2026-08-21 15:02 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:58 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:53 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:49 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:44 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:39 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:35 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:30 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:25 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:18 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:14 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:09 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:04 UTC | 1 | 0 | not tracked |
| 2026-08-21 14:00 UTC | 1 | 0 | not tracked |
| 2026-08-21 13:55 UTC | 1 | 0 | not tracked |
| 2026-08-21 13:51 UTC | 1 | 0 | not tracked |
| 2026-08-21 13:46 UTC | 1 | 0 | not tracked |
| 2026-08-21 13:41 UTC | 1 | 0 | not tracked |
| 2026-08-21 13:37 UTC | 1 | 0 | not tracked |
| 2026-08-21 13:32 UTC | 1 | 0 | not tracked |
| 2026-08-21 13:27 UTC | 1 | 0 | not tracked |
| 2026-08-21 13:23 UTC | 1 | 0 | not tracked |