For comparison, the radius of a typical bacterium is 1 × 10-6 m and the radius of a human hair is about 1 × 10-4 m.

Everyone at that time imagined the atom as a "plum pudding." That is, it was roughly the same consistency throughout, with negatively-charged electrons scattered about in it like raisins in a pudding.

In fact, each gene in cellular DNA contains the code for a unique protein structure. Not only are these ... that consist of an alpha (central) carbon atom linked to an amino group, a carboxyl ...

It turns out play with an element of risk may be exactly what today’s kids are missing Brittany ... Brussoni’s team recommends removing all this structure, and instead providing loose ...

Studying the structure of the atom on smaller scales and being able to produce particles with higher masses is what drove the development of accelerators with ever-higher energies. In a ...