Drought, deluge turned stable landslide into disaster

"Stable landslide" sounds like a contradiction in terms, but there are indeed places on Earth where land has been creeping downhill slowly, stably and harmlessly for as long as a century. But stability doesn't necessarily ...

What exactly does 'instantaneous' mean?

How short is an "instant"? Is it a second? A tenth of a second? A microsecond? You might think all of these qualify. What about 100 years? That certainly doesn't seem like an instant, and to a human being, it isn't, since ...

Ants respond to social information at rest, not on the fly

Ants don't get distracted by social information when on the move, only fully responding to it when at rest, a new study from the University of Bristol, UK indicates. Such sporadic monitoring of the social environment may ...

Carnivourous dinosaurs strolled around in Germany

142 million years ago two carnivorous dinosaurs strolled along the beach in what is now Germany. Their footprints fossilized and have been analyzed by a biologist who now provides insight into the two hunters' daily life.

Weighing gas with sound and microwaves

NIST scientists have developed a novel method to rapidly and accurately calibrate gas flow meters, such as those used to measure natural gas flowing in pipelines, by applying a fundamental physical principle: When a sound ...

World's tectonic plate movement mapped

A group of geophysicists is testing the hypothesis that the rate of "supercontinent assembly"—or tectonic plate movement—changes over time.

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