How occupational skills influence migration

What characteristics distinguish people who migrate to a different country for a better income from others in their homeland? The fact that formal education alone is not enough to answer this question has been demonstrated ...

Mexico's Caribbean coast hit by heavy seaweed, more expected

Environmentalists and tourism operators on Mexico's Caribbean coast are complaining about mounds of foul-smelling sargassum—a seaweed-like algae—that are piling up on beaches and turning turquoise waters brown.

How do Mexican cavefish escape predators?

The ability to detect threatening stimuli and initiate an escape response is critical for survival and under stringent evolutionary pressure. To detect predators, fish use a number of sensory systems including olfaction (smell) ...

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