The human brain is shrinking

According to palaeontologists (scientists who study fossils), over the last 20,000 years the average volume has been decreasing – possibly losing as much as 150cc (a chunk the size of a tennis ball). One possible explanation is related to the fact that brain size is correlated with body size. Humans have become smaller over the […]

Read more

Do octopi have a Theory of Mind ?!

Surprisingly the only non-vertebrate animal protected by the┬áAnimals (Scientific Procedures) Act is the octopus. Why? More and more research is pointing to the octopus as a relatively intelligent animal. They can remember mazes, use tools, solve complex problems and appear to have a rudimentary consciousness. Conducting research on their brains appears quite difficult as they […]

Read more

Bigger may not be better

Humans have exceptionally large brains; taking body size into account the human brain is seven times larger than those of other mammals. It has long been assumed that the benefit of this large brain is high intelligence A Brazilian, Suzana Herculano-Houzel, has recently challenged this. There are a number of small brained animals who are […]

Read more