How smart is an octopus?

The unique brainpower of octopuses—known for their intelligence and Houdini-like escapes—has been revealed by University of Queensland researchers.

Some colleges are mammals, others are cities

Higher education in the United States spans five orders of magnitude, from the tiny institutions like the 26-person Deep Springs College in the high desert of eastern California to behemoths, like Arizona State University's ...

Carnivores may adjust schedule to avoid each other

Just as humans may leave their home five minutes early to avoid a talkative neighbor or depart work late to avoid a rude coworker, carnivorous mammals may go out of their way to avoid other species. But they're not trying ...

Plant-eating lizards on the cusp of tooth evolution

Researchers at the Universities of Helsinki and Lyon and the Geological Survey of Finland found that complex teeth, a hallmark of mammals, also evolved several times in reptiles, prompting the evolutionary success of plant-eating ...

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