Authorities warn of "life-threatening" wind and flooding in Haiti, and issued warnings for parts of Cuba, Haiti and Jamaica. The U.S. Navy evacuated families from its base at Guantanamo Bay, Cuba.
A $20 intervention caused a big boost in conversations between parents and kids. Researchers say there are lots of untapped opportunities like these to help kids learn out of school.
The Nobel Prize in Medicine or Physiology goes to a Japanese scientist who studies how cells degenerate and are recycled by organisms. The process is important in understanding how diseases work.
When a team of researchers evaluated the scientific literature on brain games, they found little evidence that the products improve memory or thinking in real-world tasks.
Sixty-two countries have now joined the plan. Together, they account for about 52 percent of global emissions, which is a little short of the 55 percent threshold to make the agreement binding.