Look more closely, though, and it’s easy to tell the difference. What is crystal? Crystal is a type of glass made with lead ...

"By capturing the faint light emitted by this filament, which travelled for just under 12 billion years to reach Earth, we were able to precisely characterize its shape," lead author and PhD ...

In addition, the Litti City teacher purse dress-up playset, the Litti Pritti handbag playset, and the slime eggs contain levels of lead that exceed ... mini bottles of shaped beads and 12 straws.