Spark plugs deliver a jolt of electricity to start ignition in gasoline engines. Glow plugs warm diesel engines so that their fuel will auto-ignite.

This video explains why rockets require such large amounts of fuel, breaking down the physics of thrust, mass, and gravity in an accessible, science-focused way. There’s one thing that could make ...

The ratio comparing total U.S. market cap to GDP, known as the Buffett Indicator, is reaching historic levels, both in absolute and relative terms. Its current reading of 230% is far beyond any peak ...

Zepbound works by mimicking the action of two hormones: glucose-dependent insulinotropic polypeptide (GIP) and glucagon-like peptide-1 (GLP-1). GIP and GLP-1 activate certain receptors (binding sites) ...

One of the first sentences I was ever paid to write was “Try out lighter lip stick colors, like peach or coral.” Fresh out of college in the mid 2010s, I’d scored a copy job for a how-to website. An ...

The fuel economy of trucks in Europe was historically hard to verify; there was no standardized method to tell you how much bang you could get for your truck. That changed in 2017 with the ...

Good manners never go out of style, but they do occasionally need to be refreshed. In workplaces everywhere, that refresher couldn’t come sooner. In the decade since the previous edition of “Emily ...

The 2026 World Cup is fast approaching. It’s almost Christmas (can you believe it?), and before long we’ll be in 2026—meaning we’re just months away from the largest World Cup in history, hosted ...

AI systems learn patterns from data rather than following explicit instructions. Neural networks process information through connected layers to detect complex patterns. Modern AI chatbots like ...

While melatonin supplements can support the onset of sleep in most people, the time it takes to work and the duration of its activity can vary. Extended-release melatonin may provide longer elevated ...

FIFA have awarded World Cup spots through inter-confederation competitions for the better part of 60 years, and the 2026 World Cup will have a larger, higher-profile pool of teams looking to lock up ...