Using a technique called secondary ion mass spectrometry (SIMS), they collected 1,217 individual measurements of stable oxygen isotopes, including one called oxygen-18. Huerta explained that the ...

“The level of control the authors have achieved over an individual antimatter particle is unprecedented,” says Dmitry Budker, a physicist at the University of California, Berkeley, who was not ...

Guidelines on when to get a cholesterol test can vary and depend on your individual risk.

The answer to the question may surprise you: it’s both. The concept is called “particle-wave duality,” and it is so named because scientists have observed that in some circumstances, light ...