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.
Evolution
Aug 30, 2016
12
2451
(PhysOrg.com) -- At Britain's Royal Society, Dr. Marta Lahr from Cambridge University's Leverhulme Centre for Human Evolutionary Studies presented her findings that the height and brain size of modern-day humans is shrinking.
(PhysOrg.com) -- A wide-ranging study of big cat skulls, led by Oxford University scientists, has shown that tigers have bigger brains, relative to their body size, than lions, leopards or jaguars.
Plants & Animals
Sep 3, 2009
0
0
The ancestors of modern mammals managed to evolve into one of the most successful animal lineages. The key was to start out small and simple, a new study reveals.
Evolution
Apr 12, 2023
0
442
A team of researchers at the University of Zurich has found that domestication of cows has led to reduction in cow brain size. In their paper published in Proceedings of the Royal Society B, the group describes comparing ...
When paleontologists put together a life history for a long-extinct animal, it's common to infer the foods it ate by looking at modern animals with similar skull shapes and tooth patterns. But this practice is far from foolproof. ...
Archaeology
Apr 29, 2015
0
85
For the past 2 million years, the size of the human brain has tripled, growing much faster than other mammals. Examining the reasons for human brain expansion, University of Missouri researchers studied three common hypotheses ...
Evolution
Jun 22, 2009
5
0
Fossils discovered east of Africa's Lake Turkana confirm that there were two additional species of our genus—Homo—living alongside our direct human ancestral species, Homo erectus, almost two million years ago. The finds, ...
Paleontology & Fossils
Oct 3, 2012
5
2
A sea otter's survival depends on their ability to catch and eat prey. Unlike most marine mammals, sea otters lack a thick layer of blubber to insulate them from the frigid waters of the Pacific Ocean. Instead, they rely ...
Plants & Animals
Oct 25, 2017
1
137
Crocodilians have nerves on their faces that are so sensitive, they can detect a change in a pond when a single drop hits the water surface several feet away. Alligators and crocodiles use these "invisible whiskers" to detect ...
Plants & Animals
Apr 4, 2013
0
0
