Spirea, or meadowsweet, is the German namesake of SpirsÃ¤ure (salicylic acid), and ultimately aspirin. The name Aspirin was derived from the name of the chemical ASAâAcetylspirsÃ¤ure in German. SpirsÃ¤ure (salicylic acid) was named for the meadowsweet plant, Spirea ulmaria, from which it could be derived.
Look for both series back-to-back beginning at 9:00/8:00c. [12/16/14 - 10:28 AM]. Animal Planet's Treehouse Masters Returns for Season Three on January 9 at 10:00PM ET. Plus, one lucky viewer gets the opportunity to win their very own Pete Nelson treehouse with the Ultimate Treehouse GiveAway contest!
Secrets of the man behind the best tree houses in America: Guru known as the 'tree whisperer' whose creations cost up to $360k. Pete Nelson is an architect with lofty ambitions. For the past 15 years he has made childhood dreams a reality with his unique treehouses. The 50-year-old from Seattle, sometimes known as the 'tree whisperer' is now branching out with his own reality TV show, Treehouse Masters, on Animal Planet.