Michelle Starr is CNET's science editor, and she hopes to get you as enthralled with the wonders of the universe as she is. When she's not daydreaming about flying through space, she's daydreaming ...
Two billion tons of sand and dust, equal in weight to 350 Great Pyramids of Giza, enter the atmosphere every year; UNCCD experts attribute over 25% of the problem to human activities; Wreaks havoc ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results