In the world of music, there is no more remarkable gift than having perfect pitch. As the story goes, Ella Fitzgerald's band would use her perfect pitch to tune their instruments.
Although it has a genetic component, most believe that perfect pitch — or absolute pitch — is a primarily a function of early life exposure and training in music, says Takao Hensch, professor of molecular and cellular biology at Harvard.
Alexandra Jones-Twaddell and Malley Chertkov add a Christmas tree to the growing line in Island Beach State Park in February 2013. Similar dune restoration projects — using trees as a foundation to trap sand — will be carried out this year all along the Atlantic Coast.
Credit Adam Cole / NPR
Near Jefferson, La., volunteers place recycled Christmas trees inside man-made wooden cribs in the shallow water of a local marsh in January 2011. The trees absorb wave action and protect fragile marshland from erosion.
Credit Jefferson Parish Department of Environmental Affairs / AP