The ‘dirt diary’ is a do-book that was used to interact with residents to gain a clear view on the true waste journey in households. The do-book is contains several assignments for residents around different types of waste, for example plastics, organic waste, paper and textile. Assignments include drawing …

Reversed-phase HPLC with mass spectrometric and diode array detection as well as some literature data were used to reveal the individual types of solutes in anthocyanin complexes of tulip flower petals that are responsible for tulip flower petals coloration of the samples available in the local flower …

For already many years the Israeli-Palestinian crisis is a complicated situation. Despite all the efforts to come to a peace agreement, a solution has not been found yet. The land that is now called ‘Israel’ is and has been very important for different reasons; economical, strategic and religious. Many …