A hard line to draw

Draw a line on your PDA to authenticate

The trend toward a highly mobile workforce and the ubiquity of graphical interfaces (such as the stylus and touch-screen) has enabled the emergence of graphical authentications in Personal Digital Assistants (PDAs) [1]. However, most of the current graphical password schemes are vulnerable to shoulder-surfing [2,3], a known risk where an attacker can capture a password by direct observation or ...

Poster: Draw a line on your PDA to authenticate

Hard Choices: Where To Draw the Line on Limiting Selection in the Selective Reduction of Multifetal Pregnancies

Imagine a hopeful mother, desperate after many failed attempts to become pregnant. She consults a fertility clinic and decides to undergo the invasive and costly process of in vitro fertilization (IVF). The procedure is more than successful—she finds herself pregnant with quadruplets. At less than five feet tall and with a petite frame, she will not be able to carry all four fetuses to term. He...

How to draw the line in biomedical research

The use of the least squares method to calculate the best-fitting line through a two-dimensional scatter plot typically requires the user to assume that one of the variables depends on the other. However, in many cases the relationship between the two variables is more complex, and it is not valid to say that one variable is independent and the other is dependent. When analysing such data resea...

Where do you draw the line?