Curiosity travels through ancient glaciers on Mars

3,500 million years ago the Martian crater Gale, through which the NASA rover Curiosity is currently traversing, was covered with glaciers, mainly over its central mound. Very cold liquid water also flowed through its rivers ...

Social inequality intensifies amongst low-scoring pupils

Children's marks at school influence the likelihood of them abandoning their studies, but the effect varies according to their social background: among students with poor marks, those from a higher social class have more ...

Ice cream sensations on the computer

Changes in coldness, creaminess or texture that we experience in the mouth while we are eating an ice cream can be visualised on a screen using coloured curves. Graphs help manufacturers improve product quality, as proven ...

Are we ready for contact with extraterrestrial intelligence?

The SETI project scientists are known for tracking possible extraterrestrial signals, but now they are also considering sending messages from Earth telling of our position. A researcher from the University of Cádiz (Spain) ...

Dark energy hides behind phantom fields

Quintessence and phantom fields, two hypotheses formulated using data from satellites, such as Planck and WMAP, are among the many theories that try to explain the nature of dark energy. Now researchers from Barcelona and ...

An electronic tongue can identify brands of beer

Spanish researchers have managed to distinguish between different varieties of beer using an electronic tongue. The discovery, published in the journal Food Chemistry, is accurate in almost 82% of cases.

Spider silk ties scientists up in knots

Two years ago, researchers from Iowa State University (USA) published a study which concluded that spider silk conducts heat as well as metals. Now, a team from the University of the Basque Country (Spain) has repeated the ...

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