The iceberg is said to be on a collision course with the island of South Georgia, a U.K. territory. The government there released the photos, saying it was keeping a close eye on the situation.
Researchers found that a class of antibodies in a monkey's blood provides protection from COVID-19. If that hold true for humans, a blood test may predict whether a vaccine candidate is working.
Rao, a Colorado teenager who has won praise for her innovation in detecting lead levels in water, said, "I really want to put out that message: If I can do it, you can do it, and anyone can do it."
Heat waves, air pollution and extreme weather are making people sick and, increasingly, killing people. A key report by global physicians says fossil fuels are to blame.
The vote follows World Health Organization guidance saying that due to cannabis' therapeutic use and other factors, it "is not consistent with the criteria" for a Schedule IV drug.
Social distancing fell dramatically between spring and fall and the gap between Democrats and Republicans widened. But both ends of the political spectrum agree on some measures to fight COVID-19.
A British regulatory agency approved the Pfizer/BioNTech vaccine Wednesday. It could be dispersed within days to the neediest people, government officials said.