THE use of bathophenanthroline (4:7-diphenyl-l:10-phenanthroline) as a highly sensitive reagent for the colorimetric estimation of iron has been described by Smith, McCurdy and Diehl 1. They showed ...

Math researchers discovered new evidence about math learning disabilities. Researchers funded by the National Institutes of Health have discovered that the innate ability to estimate quantities is ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Scientific American is part of Springer Nature, which owns or has commercial relations with thousands of scientific publications (many of them can be found at www ...

Fujitsu General. has filed a patent for an air conditioner with a refrigerant circuit connecting indoor and outdoor units. The system includes a memory storing an estimation model to determine ...