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Dogs don’t seem to care much about human faces, counterintuitive study finds

Dogs’ brains aren’t especially impressed by faces, either those of other dogs, or of people, a new study suggests. People’s brains ...
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Puberty resets the brain, giving preteens facing stress and hardship a second chance

A childhood characterized by hardship, negligence or abuse can also alter the neuroendocrine system that regulates how the body responds ...
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How one person was spontaneously cured of HIV—and what that may mean in the fight against AIDS

Twice, people infected with HIV have had levels of the virus in their bodies drop to undetectable levels after bone marrow ...
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Are facial expressions universal?

Faces depicted in sculptures crafted between 3,500 and 600 years ago in Mexico and Central America convey five varieties of ...
Grass Fed Beef vs Grain Fed Beef

Viewpoint: Ideology, politics pollute the debate over health risks of red meat

For decades there has been a statistical controversy about meat. By statistical I mean it was never a real health ...
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Redrawing the line between life and brain death

Brain death has been a recognized concept in medicine for decades. But there’s a lot of variation in how people ...
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In the race to develop a COVID-19 vaccine, ethical concerns abound

How do we ethically test it in people? Can people be forced to get the vaccine if they don’t want it? ...
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Why haven’t we been contacted by alien civilizations? Maybe because most have extinguished themselves, as we likely will

For some reason, civilization is not a self-perpetuating state of affairs on this planet. And perhaps not on other planets, ...
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Ethical pros and cons of infecting healthy volunteers in quest for COVID-19 vaccine

Instead of vaccinating hundreds to thousands of people and waiting to see if they naturally catch the virus, scientists would ...
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Asteroid that wiped out the dinosaurs created perfect conditions for microbial life to thrive

The massive Chicxulub crater on Mexico’s Yucatán peninsula is the fingerprint of a killer, probably responsible for the destruction of ...
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‘Overly simplistic’: Women may have been more than just ‘gatherers’ in ancient times, studies suggest

Sexual divisions of labor characterized ancient societies, but were not as rigidly enforced as has often been assumed, [two] new ...
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‘The Idea of the Brain’: Book explores the struggle to understand the human brain

Neuroscientists love a good metaphor. Through the years, plumbing, telegraph wires and computers have all been enlisted to help explain ...
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Massive genetic analysis shows how our ancestors ‘diversified, migrated and mixed’ around the world

A new study has provided the most comprehensive analysis of human genetic diversity to date, after the sequencing of 929 ...
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Mysterious African skull could be part of undiscovered ‘ghost population’

A mysterious but well-preserved hominid skull found nearly a century ago comes from a population that lived in Africa around ...
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Borrowing a trick from cancer cells could be key to improving organ and limb transplants

To help rats adopt transplanted limbs as their own, researchers have harnessed a ruse that cancer cells use to hide ...
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Experiments on living brain tissue unearth ‘ethical quandaries’

Live bits of brain look like any other piece of meat —  pinkish, solid chunks of neural tissue. But unlike ...
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Iraqi excavation rekindles debate over whether Neanderthals buried their dead

The excavation of an adult Neandertal’s partial upper-body skeleton in Iraqi Kurdistan has revived a decades-long debate over whether Neandertals intentionally buried ...
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This robotic face will wince if you hit it. How does it process pain?

Sensors embedded in soft, artificial skin that can detect both a gentle touch and a painful thump have been hooked ...
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Dreaming of hypoallergenic cats and how CRISPR could ‘come to the rescue’

Given that just two genes are responsible for making cats a problem for many people, it seemed like a no-brainer ...
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