Smarter brains are blood-thirsty brains

A University of Adelaide-led project has overturned the theory that the evolution of human intelligence was simply related to the size of the brain—but rather linked more closely to the supply of blood to the brain.

Are animals as smart, or as dumb, as we think they are?

Does my dog only think of eating, sleeping and chasing squirrels? Does my girlfriend's cat really have the capacity to plot my accidental death? Are cows just walking hamburgers and pigeons intent on world domination?

Finding aliens may be even easier than previously thought

Finding examples of intelligent life other than our own in the Universe is hard work. Between spending decades listening to space for signs of radio traffic – which is what the good people at the SETI Institute have been ...

Large study uncovers genes linked to intelligence

Exactly what constitutes intelligence, and to what extent it is genetic, are some of the most controversial questions in science. But now a new study of nearly 80,000 people, published in Nature Genetics, has managed to identify ...

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