Is K2-18b covered in oceans of water or oceans of lava?

In the search for potentially life-supporting exoplanets, liquid water is the key indicator. Life on Earth requires liquid water, and scientists strongly believe the same is true elsewhere. But from a great distance, it's ...

Common sense may depend on one's point of view

A pair of social scientists at the University of Pennsylvania has found, via case study, that the term "common sense" may apply differently depending on perspective. In their study, published in Proceedings of the National ...

War in Europe is more than 5,000 years old, researchers find

Conflict has existed throughout human history, and it has often been violent. Attacks, assassinations, raids, ambushes, and vendettas feature in archaeological records almost as far back as the origin of humankind itself. ...

Joking apart: What men and women find funny

Men rate visual jokes more highly than women do, whereas women prefer jokes that involve political commentary or the dynamics of close relationships, a new study of print cartoons dating from 1930-2010 finds.

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