It makes sense: Decades of research have shown how positive word-of-mouth can lead consumers to buy a product. What is less well known is whether such word-of-mouth continues to influence ...

Negative strikes happen more frequently but positive strikes are stronger. Positive lightning strikes produce 1 billion volts, whereas negative strikes produce 300 million volts.

Americans’ first impressions are positive for Walz, negative for Vance Washington Post-ABC News-Ipsos poll finds more Americans like Walz than Vance.

You've probably heard of film negatives, but there is actually an opposite, called positive film. It's less common today, but can be good for certain projects.

Positive tilted troughs are most common in the spring and fall months. Example negative tilted trough setup Negative tilted troughs are much sharper and deeper, which can fuel more intense storms.

Negative events feel more psychologically intense than positive ones, thanks to a cognitive tendency called the negativity bias. That’s true even when events are of equal weight.

When are you no longer contagious from COVID? If you get a negative at-home COVID test result after previously testing positive, you are likely no longer contagious, Mina says.

This article discusses how one person can test positive for chlamydia while their partner does not, how it spread, and how to talk about it with a partner.

Researchers have identified the neural mechanisms in the brain that regulate both positive and negative impressions of a social encounter, as well as how an imbalance between the two could lead to ...

Differences between gram-positive and gram-negative bacteria All bacteria have a cell wall composed of mesh-like strands of a big molecule called peptidoglycan, which surrounds the cell membrane.