Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

A little more than a year ago, on a trip to Nairobi, Kenya, some colleagues and I met a 12-year-old Masai boy named Richard Turere, who told us a fascinating story. His family raises livestock on the ...

Intrusive thoughts are unwanted, often distressing images or ideas that can feel strange, but they happen to almost everyone at times. Most of the time, they do not have a specific meaning, especially ...

More than 50 prokaryotic genome sequencing projects are currently underway 1. Based on the results of completed genome sequence projects, these efforts will lead to the identification of many ...