Why do we sleep? Should we nap?

I have written in the past about sleep, in particular how interesting and revealing the study of sleep was for me at University (see here). What has always baffled me is that Sleep Researchers still have never scientifically proven why adult human beings need to...

The Month of New Search Engines?

In the years to come, will this month be declared the month that forever changed the face of Internet search engines? There have been at least two significant launches that I have read about. Based on sophisticated algorithms, these two new search engines promise more...

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