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Here’s how and why early humans created our world of mostly dark-eyed dogs

Nicola Davis |
Researchers suggest that human preferences for a friendly face may have steered the evolution of canine eye colour ...
Viewpoint: ‘Artificial intelligence poses a whole new threat to the already dangerous practice of heritable human genetic modification’

Viewpoint: ‘Artificial intelligence poses a whole new threat to the already dangerous practice of heritable human genetic modification’

Pete Shanks |
Artificial intelligence poses a whole new threat to the already dangerous practice of heritable human genetic modification ...
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‘When you’re starving, hunger is like a demon’: Scientists finally grasping how hunger commandeers the brain

Adam Piore |
 More than 1.9 billion adults worldwide are overweight and more than 650 million are obese, a condition correlated with a ...
‘Warning written in wood’: Analyzing 200-year-old tree reveals silent climate distress signal sent by one of Earth’s most enduring organisms

‘Warning written in wood’: 200-year-old tree reveals silent climate distress signal sent by one of Earth’s longest-living organisms

Cutting-edge techniques are allowing researchers to observe how the rings from long-lived trees form in real time ...
Podcast: Researchers across the globe are racing to create the first artificial eggs and sperm, allowing anyone of any sex or age to have genetically-related babies

Podcast: Inside global race to create first artificial eggs and sperm, enabling people of any age or sex to have genetically-related children

Berly McCoy, Regina Barber, Rob Stein |
Get a glimpse into the global race to create the first artificial human embryos to see how the competition is ...
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$2,500 whole genome sequencing per embryo: Tech startup claims to screen potential children for 1,200 genetic disorders, but experts not sure it’s worth the cost

Kristin Houser |
Reproductive tech startup Orchid is now offering whole genome sequencing for embryos, giving prospective parents and their doctors information that ...
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Maybe Vitamin D isn’t such the ‘miracle supplement as the hype—and many scientists—have long claimed

Christie Aschwanden |
For a while vitamin D was looking like a bona fide health elixir. It was recognized a century ago as ...
‘Intelligence explosion’: Deep space is too far away for humans to explore but AI may offer a work-around—uploading our brains into the cloud

Podcast: ‘Intelligence explosion’ — Deep space is too far away for humans to explore, but AI may offer a work-around by uploading our brains into the cloud

Futuristic objectives that are at the centre of the AI industry’s quest for superintelligence and hear about the Extropians, ...
Close cousins: Just 400,000 years ago, modern humans and Neanderthal lineages split, 100,000 years more recently than previous estimates

Close cousins: Just 400,000 years ago, modern humans and Neanderthal lineages split, 100,000 years more recently than previous estimates

Tom Hale |
More evidence suggests that our species may have diverged from Neanderthals just 408,000 years ago, which is later than previous ...
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The future creeps closer: While two-thirds of Americans say they’d pick an embryo based on genetic profiling, some concerns escalate

Carey Goldberg |
Nearly one third of those surveyed even say they would consider going through IVF for the sole purpose of such ...
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Love on the brain: Here’s the science behind how relationships make us ‘weak in the knees’

Researchers have measured how a part of the brain is responsible for putting our loved one on a pedestal in ...
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Weight-loss drugs, malaria vaccines and more: CRISPR innovations headline the science breakthroughs of 2023

Derek Thompson |
CRISPR is the year’s top breakthrough not only because of heroic work done in the past 12 months, but also ...
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Video: Two wombs, two babies — In ‘one in a million’ pregnancy, Alabama mother gives birth to twins over two days

Hannah Echols |
A US woman with a rare double uterus has given birth twice in two days - after a "one in ...
Sperm donation is no longer anonymous. Where do we go from here?

Sperm donation is no longer anonymous. Where do we go from here?

Emily Bazelon |
Recent findings in behavioral science show the role of genetics in shaping certain individual characteristics ...
Space concerts: ‘What if traveling to space could yield incomparable beauty in the form of art and music?’

Galactic concerts: ‘What if traveling to space could yield incomparable beauty in the form of art and music?’

Bina Venkataraman |
Within a decade, a trip off the planet could become as accessible as an airline ticket, and in 15-20 years, ...
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After demoting a scientist and cutting her pay, University of Pennsylvania makes millions from her mRNA breakthroughs

Gregory Zuckerman |
School that once demoted Katalin Karikó and cut her pay has made millions of dollars from patenting her work ...
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Inherited suicide risk: 12 genes related to severe depression discovered

Suicide attempt is strongly associated with psychiatric conditions, poor quality of life, traumatic experiences, and social or economic burden ...
Human evolution roundup: Last year’s 13 most fascinating findings about human origins

Human evolution roundup: Here are last year’s 13 most fascinating findings on human ancestry

Briana Pobiner, Ryan McRae |
Smithsonian paleoanthropologists reveal thirteen of the year’s most fascinating findings about human origins ...
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Over a million frozen embryos are left in limbo. Should they be donated?

Amy Dockser Marcus |
Higher IVF success rates mean more embryos are being left unused—and more families wrestling with questions about what to do ...
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Viewpoint: Tech Panic Cycle — AI could transform entertainment, education, health care, unless over wrought fears shut down innovation

Daniel Castro, Patrick Grady |
Recent developments in artificial intelligence (AI) have heightened imaginations about what the future holds ...
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Video: Stone ring structures found in Neanderthal cave in France continue to fuel reassessment of our once scorned hominid cousins

Tim Vernimmen |
We haven’t been very kind to Neanderthals since their remains were first unearthed in the 19th century, often characterizing them ...
Early Alzheimer’s diagnosis: Scanning the eye with AI tools could help us catch dementia 20 years before symptoms show up

Early Alzheimer’s diagnosis: Scanning the eye with AI tools could help us catch dementia 20 years before symptoms show up

Vipal Monga |
RetiSpec developed an artificial-intelligence algorithm that it says can analyze results from an eye scanner to detect signs of Alzheimer’s ...
Is biological age testing useful or overrated?

Is biological age testing useful or overrated?

Dana Smith |
New tests promise to tell you if you have the cells of a 30-year-old or a 60-year-old. Here’s what to ...
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Drug-free pain management: Retraining the brain with ‘pain reprocessing therapy’ hopes to offer alternative to opioids

Sumathi Reddy |
“Pain reprocessing therapy,” tries to train the brain not to send false pain signals. Some early results are promising ...
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Night owls vs mourning doves: Neanderthal genes explain why some people find it easy to wake up early

Ian Sample |
Scientists find genes inherited from our prehistoric cousins increase tendency to rise early – useful in regions with short winter ...
When will needle-free COVID vaccines arrive in the US?

When will needle-free COVID vaccines arrive in the US?

Cassandra Willyard |
Vaccines delivered through the nose or mouth should help stop infection where it begins. But researchers are still working to ...
Morning sickness used to be a mystery. Now researchers say they have figured out the root cause

Morning sickness used to be a mystery. Now researchers say they have figured out the root cause

Emily Nadal |
Researchers from Cambridge University sought to understand the causes of morning sickness in hopes of one day preventing it ...