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The 1st Americans may have arrived by a sea ice ‘highway’
During the last ice age, sea ice may have provided an ancient “highway” for the first humans to reach the…
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In a 1st, ‘minibrains’ grown from fetal brain tissue
This image shows one of the human fetal tissue-derived minibrains, with stem cells (gray) surrounding nerve cells (color-coded from pink…
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‘This is unlikely to be an isolated event’: 1st polar bear death from bird flu spells trouble for species
Polar bears (Ursus maritimus) may be at risk of bird flu as sea ice shrinks, bringing them in contact with…
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Vulcan just launched the 1st US moon mission since Apollo, with human remains aboard
CAPE CANAVERAL, Fla. — A brand-new rocket just got its wings. United Launch Alliance’s (ULA) Vulcan Centaur launched on its first-ever flight,…
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World’s 1st graphene semiconductor could power future quantum computers
Like light, electrons in graphene have quantum mechanical wave-like properties that can be accessed in devices, making such a semiconductor…
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1st partial-heart transplant growing with baby 1 year later
A baby became the world’s first partial-heart transplant recipient in 2022, and now, more than a year later, the toddler’s…
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Quadrantid meteor shower 2024: The year’s 1st meteor shower blazes over North America on Jan. 3
The Quadrantid meteor shower will peak this week and could bring up to 120 shooting stars per hour to the…
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Turbulent 1st moments of a black hole’s life captured in new simulations
Astronomers have figured out how some dying stars kick baby black holes out of the womb — and it’s not…
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Scientists think they’ve created the world’s 1st ‘practical’ quantum-secure algorithm
Scientists think they’ve created the first practical cryptographic algorithm that could protect data and communications from quantum computers. However, other…
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Poisonous gas wave may have snuffed out half of all sea life in Earth’s 1st mass extinction
Around 530 million years ago, the planet teemed with life after the Cambrian explosion, when most major animal groups we…
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