[RonBee]

Originally Posted by Greekgirl

There have been many scientific advances over the last decade, but the most dramatic are connected with our increasing ability to modify nature. Developments in the fields of agriculture, genetics and medical science have brought a wide range of benefits to both individuals and society.

Recent studies have shown that crop yields have been increased dramatically, while crop-destroying pests have steadily declined in numbers. More chemical sprays are being used today. Hence, crops have fewer diseases.

Originally Posted by Greekgirl

The average lifespan is expected to be over eighty years old in a reasonable amount of time owing to the genetic breakthroughs.

The aveerage lifespan is expected to be over eighty years soon due to genetic breakthroughs.

Originally Posted by Greekgirl

There is every likelihood that before the end of the century, people will be able to choose what characteristics their offspring will be born with. Furthermore, scientists predict that new organs will be grown in laboratories.

As a consequence, patients on transplants lists will be given more hope. As a matter of fact, the newspapers reported recently that a transplant patient had celebrated his tenth anniversary of his operation. Though, people live longer nowadays, they still age in appearance. However, one can resort to cosmetic surgery to improve their looks.

Delete the comma after "Though" in the next to last sentence.

Originally Posted by Greekgirl

There has been scientific proof that the population will be healthier as soon as hereditary illness is eradicated. Finally, some infectious diseases are being brought under control, which proves that immunisation programmes are more effective.

Delete "more" in the last sentence.

Originally Posted by Greekgirl

In conclusion, scientists’ ability to make nature work for them has had clear benefits. Certainly some people do question the ethics of certain experiments, and others demand to know just how far we are prepared to go with scientific change. Nevertheless, the benefits to both individuals and the whole of society outweigh these concerns.