A young computer scientist and two colleagues show that searches within data structures called hash tables can be much faster than previously deemed possible.

Many people have the impression women’s hearing is sharper. Now tests in 13 countries have shown they do. Researchers offer ...

consequently those who say they believe such extraordinary things as table moving, &c, are produced by spirits, present evidence of their own doubts, when they ask for a scientific explanation of ...

Since then, the periodic table has evolved to reflect over 150 years of scientific development and understanding in chemistry and physics. Today, with 118 known elements, it is widely regarded as one ...