Some parts of the sea are saltier than others. The Atlantic Ocean for example has two huge deserts of extra salty water. To see which parts are saltier than the other, NASA's Aquarius instrument aboard Argentina's Aquarius/SAC-D spacecraft released the first year of data.
You can see it in the image above, red and orange areas are very salty, while green and blue areas are less so.
As the year draws to a close, it’s time to reflect on some of the great tech we’ve seen in 2015. There have been some new developments and mind-blowing reveals. I’ve picked out a few things that I saw this year, and will definitely keep an eye on next year. Here’s my look at some exciting tech to watch out for in 2016: Read more