| 1 | The fuel was enriched with uranium 235 for the nuclear reactor. | |
| 2 | Niger is the worlds largest exporter of uranium. | |
| 3 | We never imagined that there would be uranium in our kids. | |
| 4 | Not fission, whereby uranium and plutonium breaks up in pieces, but fusion. | |
| 5 | Another of the authors supplied Marie with the uranium with which she experimented. |