If the Vinča script once really existed who could have written or read it?

Creolization: Could Adults Really Have Done It All?

Creolization is the expansion of a simplified pidgin into a more complex language called a creole. Various theories have been proposed to explain this transition; most are attempts to explain who created the creole, adults or children, and refer to processes of first or second language acquisition. However, using traditional methods of investigation, this issue has been difficult to resolve. To...

Re: Measure once or twice--does it really matter?

The editorial (1) on our article (2) makes a number of points, and we wish to address these with some further explanation. The first clarification concerns our theoretical section. Our argument is, in fact, more pragmatic rather than mathematical and is indeed the point that the editorial identifies as " largely due to difference in scales. " From its definition as an x% reduction, any measure ...

If it isn't written down, it wasn't done.

Two-way thermodynamics: Could it really happen?

In previous publications I have suggested that opposite thermodynamic arrows of time could coexist in our universe. This letter responds to the comments of H. D. Zeh (previous letter in this journal). In 2002 a conference took place in Bielefeld, entitled, " The direction of time: The role of reversibil-ity/irreversibility in the study of nature " [1]. In my presentation I spoke about recent wo...

Long-term mechanical circulatory support: could it really have a public health impact?

Cardiovascular disease is a leading cause of death in North America and Europe, and heart failure represents a major component, affecting about 2.5% of the adult population [1, 2]. Ten percent of the heart-failure population experiences truly advanced heart failure, with limited long-term survival. For patients with New York Heart Association (NYHA) Class IV heartfailure symptoms poorly respons...