| In addition to the embryos and eye, the fossil find includes portions of a snout plus jawbones, skull bones, cheekbones, and teeth. |
| Scientists were harvesting these stem cells from embryos left over from IVF treatments or using aborted embryos. |
| Immature embryos fixed in acetic alcohol were rinsed in distilled water for 10 minutes under vacuum conditions. |
| A spokeswoman acknowledged that allowing embryos to be tested to save a seriously ill brother or sister was a complex issue. |
| In time, the growing embryos will accumulate enough mass to ignite and explode out of their cores like baby birds busting out of their eggs. |
| Modern early-stage embryos behave similarly as their constant volume is divided and redivided. |
