Henri Fayol’s management theory – the foundation of administrative management – offers a timeless framework of 14 principles that continue to shape business leadership today. This foundational model ...

Color gradient filament is fun stuff to play with. It lets you make 3D prints that slowly fade from one color to another along the Z-axis. [David Gozzard] wanted to do some printing with this effect, ...

Consult a doctor before you take calcium and vitamin D supplements together. The safest daily intake is 2,500 milligrams of calcium and 100 micrograms of vitamin D. Your body best absorbs vitamin D ...

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.

Calcium signalling is activated by calcium ions that are released from intracellular stores, or enter the cell via plasma membrane ion channels. Calcium is an important second messenger that regulates ...