A couple of weeks ago, I began to feel sick in the backseat of an Uber. Since this happens to me a lot, I knew just what to do. After cracking the window, I took a sip of cold water from my Nalgene ...
Life started around 3.8 to 4.1 billion years ago. For a large part of that time, organisms on Earth were simple and evolution was slow. But something remarkable happened around 550 million years ago.
Photo by Flickr user billyblackbear38. James Locke, a flight surgeon at NASA's Johnson Space Center in Houston, has made dozens of people sick in the name of science. When he puts subjects in a ...
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