A man in a quiet suburban home makes a phone call. He stands by the window and holds the phone to his ear. The light on his face, the reflections from the window…. It’s morning. No one else is up.

Write the numbers in a vertical list, lining up the decimal points. If the numbers have a different amount of digits, there may be some gaps in the columns. Fill in any gaps with a zero so that each ...

Exciting new development improves the diagnosis of obstructive coronary artery disease. Visualization of the coronary lumen is improved by very advanced subtraction software. This represents a major ...

'Our work not only shows that dogs use a similar part of their brain to process numbers of objects as humans do — it shows that they don't need to be trained to do it' You can save this article by ...