- cross-posted to:
- science_memes
- cross-posted to:
- science_memes
- switchboard_pete@fedia.io14·1 month ago
- Decay of radon-222 isn’t the only way lead can be created, just a way
- The U238 that started the chain could pre-date the earth
- Half life is only when half of the sample has decayed, but less than half could have decayed into lead