1) The Southern Ocean surrounds Antarctica and is the coldest and least-visited ocean.

2) The recent social and political movements advocating for LGBTQ+ rights have resulted in significant advancements, including the legalization of same-sex marriage in many countries and increased visibility and acceptance of LGBTQ+ individuals.

3) The highest mountain in Africa is Mount Kilimanjaro, standing at 19,341 feet (5,895 meters) tall.

4) A single bolt of lightning can heat the surrounding air to temperatures five times hotter than the surface of the sun.