The person-item map is presented in Figure 1. The person's ability is plotted as a histogram in the upper panel, and the item difficulty is plotted in the lower panel. The horizontal axis of the lower ...

Seventeen other states, however, say it’s illegal to ban plastic items, effectively placing a ban on a ban. This kind of legal maneuvering is booming. Four states created preemptions this year ...

At local antique stores and antique malls, you can often discover a valuable item’s origin; it’s shopping and a history lesson all in one. When it comes to beautiful antiques, the old adage ...

SPAIN: Metro de Madrid announced on May 19 that work had started on the construction of an extension of Line 5 to Madrid-Barajas airport. The €181m project will involve the construction of 1·7 km of ...

The Democrats’ problems run deep, nearly everywhere. This is where voters shifted toward President Trump in each of the last three elections. And this is where voters shifted toward Democrats ...

CHINA: The 7th UIC World Congress on Rail Training in Chengdu was jointly organised by the International Union of Railways and Southwest Jiaotong University to bring together people from more than 30 ...