Scientists have found evidence that almost half of Earth's current supply of water pre-dates the creation of the Sun and solar system. A member of the scientific team joins us for today's One on One Segment to talk about the research and what they think is the origin of Earth's and the rest of the solar system's water. And… The U.S. and India were both successful in their attempts to send unmanned probes to Mars... Both NASA's MAVEN and India's Mars Orbital Mission were dropped into Mars orbit this past week. The UN’s Climate Summit was held on September 23, 2014 in New York and representatives of corporations, national governments and indigenous peoples from around the world also met and resolved to work together to save the forests. What makes a planet a planet - and should Pluto be considered to be a full-fledged planet again and not a dwarf planet? Three of the world's top planetary scientists met to debate those issues. The World Health Organization recently said that the number of people infected with Ebola could exceed 20,000 by November unless more is done to control the outbreak. While efforts continue to contain the Ebola outbreak among people in West Africa, researchers have a new technique to study Ebola among the Great Apes. These are the stories we have coming up for you on today's edition of VOA's science, health and technology magazine, "Science World."