There have been many attempts to classify proteins into groups of related molecules in terms of their primary, secondary and tertiary structure. An overview of these classification schemes is ...

Biologists are quietly rewriting what it means to be alive, and the human body has become one of their strangest frontiers.

In terms of the length scale of structural features, material structure can be classified into macroscopic, mesoscopic, and microscopic structures. And the microscopic structure of materials can be ...

Structures can be either man-made or natural. Man-made structures are made by people hence the term man-made. Examples include a bicycle, chair, crane. Natural structures are found in the environment.

The project conducted a series of experiments to investigate residual bond strength between rebar and concrete after exposure to high temperatures. A total of 15 beam-end specimens based on ASTM A944 ...