Latest Ashley Farlow Stories

2011-01-31 13:37:28

DNA was originally thought to have a single function:  to help cells make the proteins they need.  Any DNA that is not immediately required to produce proteins was written off as "junk" and deemed unworthy of study.  Recently, however, it has become clear that junk DNA performs a wide range of important tasks.  As a result, attention is shifting to asking why some organisms have so much of it and other organisms so little.  A particular puzzle is posed by so-called...

Word of the Day
  • The call or cry of a bird or other animal to its mate or its young.
'Call-note' is newer than 'bird-call,' which originally referred to 'an instrument for imitating the note of birds' but now also refers to 'the song or cry of a bird.'