Scientists also studied eggs from the frogs to learn about the development of fertilized eggs into embryos.

VOA: special.2010.06.29

To produce these animals, researchers inject fertilized mice eggs with foreign genes, and then place them in the uterus of a female mouse.

VOA: special.2009.06.23

The scientists say they injected a green glowing protein found in jellyfish into fertilized marmoset eggs.

VOA: special.2009.06.23

Fertilized soil and the burning of crop waste also release harmful gases into the air.

VOA: special.2010.01.05

Once the second flower is fertilized, seeds begin to form.

VOA: special.2010.04.06

Sod should also be fertilized.

VOA: special.2009.07.07