Significance Compared with adults who smoke cigarettes, adults who vape nicotine are exposed to similar levels of nicotine and significantly lower levels of tobacco-specific nitrosamines (TSNAs).

Testing a regulator all the way down to zero volts to see how it behaves and finding an output level, below which bad things ...

Puzzles are a hands-on way to explore simpler and complex mathematical relationships, for everyone from kids to calculus students.

This is read by an automated voice. Please report any issues or inconsistencies here. The “K-shaped economy” describes how wealthy Americans enjoy rising incomes and wealth while lower-income ...

The graph below, showing the stark divergence between the S&P 500 and the University of Michigan consumer survey best depicts the K-shaped economy. You can make similar K-shaped plots comparing stock ...

The subclade K flu strain is a variant of the H3N2 virus. A new influenza strain this flu season is raising concerns as Americans hit the roads and take to the skies ahead of the Thanksgiving holiday, ...

To understand how Americans are faring economically these days, it's helpful to consider the eleventh letter of the alphabet. Experts describe the current U.S. economy as "K-shaped," a reference to ...

Merve Ceylan is a dietitian and health writer with four years of experience writing for companies in the nutrition and health industry. Broccoli is rich in vitamin C, vitamin K, and folate. It also ...

A gamer’s preference for their keyboard switches is a personal affair. You’re almost always guaranteed to start a debate if you ask a room full of gamers which they’d prefer: linear or clicky switches ...

“Just watching her little butt wiggle into the room will bring anybody’s day up,” Tara Cummins said of Erika, an 8-year-old Belgian Malinois Brian Anthony Hernandez, who has nearly 20 years of ...

The cybersecurity industry loves a good quote. At every conference, buried among the slide decks littered with questionable quotes from Sun Tzu's Art of War, you will occasionally strike gold and see ...