Search results for Monkey

Social Sciences May 13, 2021

Why my theory that humans can only maintain 150 friendships has withstood 30 years of scrutiny

Exactly 30 years ago, I was pondering a graph of primate group sizes plotted against the size of their brains: the larger the brain, the larger the group size. I was curious to know what group size this relationship might ...

Cell & Microbiology May 10, 2021

Researchers reconstruct the oral microbiomes of Neanderthals, primates, and humans

Living in and on our bodies are trillions of microbial cells belonging to thousands of bacterial species, known as the microbiome. These microbes play key roles in human health, but little is known about their evolution. ...

Ecology May 07, 2021

US braces for billions of cicadas to emerge after 17 years underground

Some are waiting for their arrival with trepidation, others are curious what they might taste like: Americans are swapping tips on how best to weather the storm when billions of cicadas soon emerge after 17 years underground.

Evolution May 05, 2021

The origin of reproductive organs

Early in human development, during the first trimester of gestation, a fetus may have XX or XY chromosomes that indicate its sex. Yet at this stage a mass of cells known as the bipotential gonad that ultimately develops into ...

Evolution Apr 30, 2021

One incredible ocean crossing may have made human evolution possible

Humans evolved in Africa, along with chimpanzees, gorillas and monkeys. But primates themselves appear to have evolved elsewhere—likely in Asia—before colonizing Africa. At the time, around 50 million years ago, Africa ...

Astronomy Apr 29, 2021

We could detect alien civilizations through their interstellar quantum communication

Since the mid-20th century, scientists have been looking for evidence of intelligent life beyond our solar system. For much of that time, scientists who are engaged in the search for extraterrestrial intelligence (SETI) have ...

Plants & Animals Apr 29, 2021

New study has scientists re-evaluating relative brain size and mammalian intelligence

Scientists from Stony Brook University and the Max Planck Institute of Animal Behavior have pieced together a timeline of how brain and body size evolved in mammals over the last 150 million years. The findings, published ...

Plants & Animals Apr 27, 2021

Brain development is surprisingly similar between humans and other primates

What makes the human brain special? It's not the time it takes to mature, according to new research. Scientists report the human frontal cortex, the part of the brain involved in higher-level thinking and reasoning, follows ...

Plants & Animals Apr 23, 2021

Flexible diet may help leaf-eating lemurs resist deforestation

Fruits and veggies are good for you and if you are a lemur, they may even help mitigate the effects of habitat loss.

Paleontology & Fossils Apr 23, 2021

Fossils of 'giant cloud rats' discovered in Philippine caves

Rats, by and large, aren't terribly popular animals. But while you don't want an infestation of common black rats living in your house, their distant cousins in the Philippines are downright cuddly. These "giant cloud rats" ...

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