Biologists are very interested in how proteins, lipids and other compounds are organized and interact in systems. Very few organizational details can be gained by using standard transmission-based ...

Fluorescence is the process by which a photon is absorbed, and another of slightly lower energy, and therefore longer wavelength, is subsequently emitted. Under normal circumstances, the electrons of ...

Fluorescent anatomy, which recently seemed to be a quirk in unusual animals such as platypuses and opossums, was found in most living families of mammals. By Cara Giaimo At first, it seemed to be ...