There are many levels at which a scientific question can be answered. An answer that is quite satisfying to a scientist from one discipline may be totally unsatisfactory to a scientist from another.

The blood protein hemoglobin and its relative, myoglobin, carry and store life-giving oxygen in many animals. Researchers long thought these complex proteins, with their unique fold, were the only two ...

Hemoglobin helps red blood cells carry oxygen to your muscles and tissues. Abnormal hemoglobin levels can be a sign of several health problems. Hemoglobin is a component of your blood that delivers ...

Hemoglobin is a protein in red blood cells. It carries oxygen around your body, delivering it to tissues. Hemoglobin also carries carbon dioxide to the lungs so you can breathe it out. Iron is a part ...

CORRECTION: This story was updated on Sept. 13, 2013, to correct errors: The computers used by Kendrew’s and Perutz’ teams were one-off machines built at the University of Cambridge, called EDSAC-1 ...

In the present study myoglobins isolated from several kinds of abnormal muscle have been compared to normal adult and fetal myoglobins by means of methods developed for the characterization of normal ...