2015 Event Aducanumab, a new drug developed by Biogen to treat Alzheimer's, is showing success in reducing toxic brain plaque and decreasing the rate of mental impairment in trials; if successful in further testing, the drug may be available by 2020 2014 Event The NASA Mars rover Curiosity has returned images from the red planet's Gale Crater showing evidence of sediment deposits, suggesting that lakes and rivers potentially existed across the planet millions of years ago 2014 Event Dr. Craig Spencer, diagnosed with Ebola on October 23rd, is healed and has been discharged from the hospital; Spencer raised fears of a U.S. epidemic after reporting that he had traveled to various public places the day before showing symptoms 2014 Event Craig Spencer, a U.S. doctor who served with Doctors Without Borders, is now in stable condition after contracting Ebola; Spencer began showing symptoms of the virus a day after commuting to various locations around New York City 2011 Event Wales conducts a survey of businesspeople and consumers showing support for the country to have its own top-level domain name 2011 Event Researchers reveal two studies showing the antiretroviral drugs prescribed to treat AIDS can also prevent HIV infections 2011 Event UK Researchers report a study showing that the use of drugs during vitro fertilization may increase the risk of Down syndrome for their baby 2010 Event Film confirms Sarah, Duchess of York's involvement in a scandal showing she asked for a $40,000 handshake in cash and for 500,000 pounds to be paid in return for access to Prince Andrew 1997 Event "Daytime to Remember" a series showing old soaps premieres on ABC-TV 1989 Event Baseball signs $400M with ESPN, showing 175 games in 1990 1987 Event Fox TV network premieres showing Married With Children 1986 Event Videotapes released showing Titanic's sunken remains 1973 Event NBC presents 440th and final showing of "Bonanza" 1958 Event 1st showing of DAF 600 auto 1940 Event 1st showing of color TV 1931 Event 1st showing of a Donald Duck cartoon 1896 Event 1st public film showing in U.S. John Philip Sousa's "El Capitan," premieres in New York City 1894 Event 1st public showing of Edison's kinetoscope (moving pictures) 1869 Event Postage stamps showing scenes are issued for 1st time