The particles that are in an atom: protons, neutrons and electrons The particles that are in protons and neutrons: quarks The four fundamental forces: gravity, electromagnetism, the strong force and ...

For the first time, scientists have created oxygen-28, a rare oxygen isotope that has 12 more neutrons than oxygen-16, the most common form of oxygen on the planet. This newly created "heavy" oxygen ...

After scientists created oxygen-28 in the lab, it almost immediately degraded, baffling physicists around the world. When you purchase through links on our site, we may earn an affiliate commission.