Why do animals have different pupil shapes?
It’s easy to think of pupils as simple holes that widen in the dark and shrink in the light. But if you look across the...
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Physicists create electron ‘catapult’ that moves particles through solar cells at record speed
Molecular vibrations can “catapult” electrons across solar materials in quadrillionths of a second — much faster than previously thought, a new study shows. The findings...
Computing quiz: Can you match these ‘ancient’ devices to their pictures?
While devices like smartphones and laptops are ubiquitous now, these machines weren’t always so common. The origins of computing go back well before the advent...
‘That’s why there’s 9 billion of us and not 9 billion of some other primate’: Why our ability to adapt is humanity’s ‘superpower’
Humans have evolved the ability to live anywhere on Earth, thanks to gradual changes to our biology and our knack for developing new technologies, like...
Why are humans the only species with a chin?
Humans are the only species with a chin — a feature absent from even our closest relatives. Indeed, it’s such a unique anatomical quirk that...
Cannonball dating to the Alamo battle unearthed 1 day before 190th anniversary of the conflict that killed Davy Crockett
Archaeologists have unearthed an intact bronze cannonball used at the Battle of the Alamo. They made the discovery one day before the 190th anniversary of...
NASA’s Artemis II rocket rolls to launch pad in final bid to meet April deadline
NASA’s Artemis II moon rocket is back on the move, as the space agency prepares the spacecraft for a potential launch before its April deadline....
Could a gene therapy treat the vast majority of Alzheimer’s?
Alzheimer’s disease, the most common form of dementia, has beaten back potential treatments for decades. Past research suggested it was a complicated, multifactorial disease in...
Human-driven climate change is slowing Earth’s rotation at a rate not seen in 3.6 million years
Human-driven climate change is slowing Earth’s rotation at a rate not seen in 3.6 million years, with sea level rise increasing the length of days...
Is the coming HIV pandemic inevitable? | Charles LeBaron
In a single year, the secretary of Health and Human Services (HHS), Robert F. Kennedy Jr. (RFK Jr.), has done such comprehensive damage to the...