Scientist says ostrich study confirms bird 'hands' unlike those of dinosaurs
... have done just that. They opened a series of live ostrich eggs at various stages of development and found wh...e 'hands' for grasping and raking. "Our studies of ostrich embryos, however, showed conclusively that in birds, only digits two, three and four, which correspo...Geneticists tell ostrich farmers the secrets of sex
...chnique for distinguishing between male and female ostrich chicks using DNA extracted from feathers. This new...ell as being stressful for the birds. In addition, ostrich chicks must be around three months old before their sex can be distinguished in this way. For most b...Succulent Karoo to benefit from $8 million in grants
...g, agricultural expansion and mining. Goat, sheep, ostrich and small game ranching dominate about 90 percent of the land. Although stock limits and grazing plans exist for much of the region, signs of overgrazing are evident across much of the landscape. The negative environmental impacts of mining for diamo...East African artifacts support evolution of symbolic thinking in Middle Stone Age
..., bone artifacts, fish bones, mammal bones and two ostrich egg shell beads in association with an assembly of Middle Stone Age tools. There are other ostrich eggshell fragments that may represent debris from bead manufacture. The Middle Stone Age in East Af...