Why does hydrogen require a specific amount of energy to remove its electron? ⚛️ This video explains the Bohr model by deriving the ionization energy of hydrogen, connecting classical mechanics, ...

Calcium oxalate stones comprise greater than 70% of all kidney stones. In the current conceptual framework, the initial stone ...

In 1927, Albert Einstein and Neils Bohr debated the nature of what’s known as complementarity—the idea that a photon’s dual wave-like and particle natures can’t be measured at the same time. Now, two ...

A 66 million-year-old mystery behind how our planet transformed from a tropical greenhouse to the ice-capped world of today has been unraveled by scientists. Their new study has revealed that Earth's ...

Nancy Preston didn’t have a heart attack. Nor did she have chest discomfort, shortness of breath or heart palpitations — all symptoms of heart disease. Instead, a routine mammogram led to Preston ...

Anthea Levi is a registered dietitian (RD) and reporter with more than 6 years of experience writing for major health outlets including Health magazine, BuzzFeed, Eat This, Not That!, and Livestrong.

Collective models have long provided an essential framework for understanding the behaviour of atomic nuclei by treating them as systems of interacting particles that can exhibit coherent, macroscopic ...

Alex Yampolsky, PharmD, is a pediatric clinical pharmacist at Elizabeth Seton Children’s center where he optimizes the comfort and care of his patients. Calcium and magnesium can block each other's ...

16.7 x 17.9 cm. (6.6 x 7 in.) Subscribe now to view details for this work, and gain access to over 18 million auction results. Purchase One-Day Pass ...