Complex sentence: International versions of Science currently exist in South East Asia, Europe, United Kingdom, Italy, India, Sweden, Canada, Latin America and Australia; unlike the U.S. service, the international channels are branded under the Discovery Science name.
Split into simpler sentences: International versions of Science currently exist in South East Asia, Europe, United Kingdom, Italy, India, Sweden, Canada, Latin America and Australia. Unlike the U.S. network, the international channels are branded under the Discovery Science name.