9 January – Researchers at Kings College London report a way of using an Alzheimer's drug to stimulate the renewal of living stem cells in tooth pulp.[12][13] 10 January – Researchers discover that glia, not neurons, are most affected by brain aging.[14] 11 January A new species of gibbon, named Hoolock tianxing, is identified in southwest China.[15] Carnegie Mellon University announces "Libratus", an artificial intelligence program designed to beat humans at poker.[16][17] 12 January – Scientists at the Scripps Research Institute report the discovery of TZAP, a protein that binds the ends of chromosomes and determines how long telomeres can be.[18] 14 January Researchers at the University of Sydney use big data to predict how a quantum system will change and to prevent its breakdown from occurring.[19] SpaceX resumes flights, following a launch pad explosion in September 2016. A reusable Falcon 9 rocket successfully delivers 10 satellites into orbit for a client, Iridium, before returning to a landing pad in the ocean.[20][21] 16 January Astronomers working on the Japanese Akatsuki space probe mission report detecting a possible gravity wave that occurred on the planet Venus in December 2015.[22] Researchers publish evidence that humans first entered North America in around 24,000 BP (Before Present), during the height of the last ice age. This is 10,000 years earlier than previously thought.[23]