Many of the new high-temperature superconductors belong to a family of ceramics called perovskites. The adaptable perovskite structure gives rise to materials that have a wide array of electrical properties
Is there a limit to the number of families of elementary particles?
Debris from the big-bang origin of the universe suggests there is, and accelerators are reaching the energies required to confirm the limit
The name stands for small nuclear ribonucleoproteins, particles that help to remove meaningless Hintrons" from the messages issued by a cell's genes. Without them cellular activity would grind to a halt