Agence France-Presse: The consequences of climate change, the birth of the universe and the science of kissing are among the topics set to be explored at a top scientific conference that opens Thursday in Chicago. As many as 10,000 researchers from across the globe are expected to attend the annual meeting of the American Association for the Advancement of Science (AAAS), which runs through Monday. The conference theme, “Our Planet and its Life: Origins and Futures” was chosen in recognition of the …