However, Google director Rey Kurzweil said that our bodies could be replaced by machines within ninety years. Some people may even be digitally immortal. His 1999 book, “The Age of Spiritual Machines: When Computers Exceed Human Intelligence,” mentions one possible future of blurring boundaries between human intelligence and artificial intelligence. World problems such as hunger, war, and pollution can be solved if super-intelligent transhumans become hundreds of times smarter. On the other hand, computer-based intelligence acting “fairly” by human standards may not be guaranteed. Kurzweil mentioned that humans who become part of AI systems in the late 21st century might regard ordinary humans as second-class citizens. Furthermore, ordinary people may not be able to keep up with super-intelligent transhumans.

If “mind clones” become possible in the future, would you like to purchase a robotic version of yourself?

The largest sector of organic products still belongs to food. Supporters claim they taste better and are better for people. Critics, on the other hand, say there is no nutritional difference. The public demand for such products has increased drastically due to fear of the possible health risks of chemical pesticides. Consumers believe that pesticides can cause cancer, especially in children. But scientists claim that the fear is exaggerated.

There is still reason to be cautious, despite denials by many scientists. A recent study showed that 203 out of 957 non-organic foods tested and still had some pesticides. This includes nearly all the bread tested. Still, other scientists claim that our understanding of pesticide effects on humans is very limited.

Guttman was born into a Jewish family in 1899. At eighteen years old, he helped patients at a local hospital. One day, Guttman was shocked to see a young man with a broken back kept in a cast. The patient had lost his ability to move and his hope for the future. Guttman was told that the patient would die in three months, but only after five weeks, the young man passed away. This incident led Guttman to study medicine at the university.

Guttman flew from Germany to England with his wife and children in 1939. He started working at Stoke Mandeville Hospital a few years later, and most of the patients at the hospital were suffering from serious injuries. Seeing the depressed patients, Guttman decided to change the situation. He improved the quality of medical care and hired a physical trainer from the army to build up the patients’ strengths. In a few years, an 80% death rate turned to an 80% survival rate.

She started Sirius Satellite Radio, a service that allows customers to listen to nearly a thousand different radio stations online. In 2007, Rothblatt created a simple replica of her partner’s brain and uploaded it into Bina48. The life-like robot was capable of having short conversations with humans. However, Bina48 cannot hold long conversations that seem fully “human.”