1.   Depleted uranium, of course.

2.   While many Kosovars are aware of the dangers of mines, few know about cluster bombs or depleted uranium.

3.   Baghdad insists it has evidence to show that cancer and birth defects have increased recently and that this is linked to depleted uranium.

4.   The World Health Organization is planning an investigation of Iraqi allegations that depleted uranium in U.S. ammunition caused an increase in birth defects and cancer rates.