Related topics: brain

Culture may explain why brains have become bigger

A theory called the cultural brain hypothesis could explain extraordinary increases in brain size in humans and other animals over the last few million years, according to a study published in PLOS Computational Biology by ...

A new take on the 19th-century skull collection of Samuel Morton

In the 1830s and 1840s, American craniologist Samuel Morton collected and measured hundreds of human skulls in what he described as an attempt to compare the brain size of five human racial groups. At nearly the same time, ...

Study confirms that island birds have bigger brains

A team of researchers from Sweden, Canada and Spain has found evidence suggesting that birds that live on islands tend to have bigger brains than their mainland cousins. In their paper published in the journal Nature Communications, ...

We are still evolving

From the colour of our eyes to the size of our brain, humans have been adapting to their environment, acquiring new abilities and losing others. We take a look at how evolution is still shaping us.

First look at pupil size in sleeping mice yields surprises

When people are awake, their pupils regularly change in size. Those changes are meaningful, reflecting shifting attention or vigilance, for example. Now, researchers reporting in Current Biology on January 18 have found in ...

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