A mouse brain is not supposed to contain human cells. In a study published in Nature on 16 September 2026, a Stanford Medicine team reported a mouse brain that largely does — and the human tissue inside it didn't just survive, it wired itself into the rest of the animal's nervous system. Mice Engineered Without Their Own Cortex The cerebral cortex is the brain's outer … [Read more...] about Scientists Grew Human Brain Tissue Inside Mice — and the Cells Wired Themselves Into the Animals’ Nervous Systems
Surrendered Shelter Dog Won’t Stop “Crying” At His Kennel Door — Until A Stranger Sits With Him
A newly surrendered shelter dog spent his first hours in an unfamiliar kennel making a sound that stopped viewers in their tracks — and it took a stranger sitting quietly beside him to bring him any comfort. A Rough Start In An Unfamiliar Place The dog, a Siberian Husky named Bear, had just been surrendered when the video was recorded at Benton Franklin Humane Society in … [Read more...] about Surrendered Shelter Dog Won’t Stop “Crying” At His Kennel Door — Until A Stranger Sits With Him
This 1,600-pound ocean giant just went somewhere no other OCEARCH-tagged shark has ever been
Contender, the largest male great white shark ever tagged in the Atlantic, has just pushed into territory no OCEARCH-tracked shark has reached before — and scientists are paying close attention to why. Meet Contender Contender was tagged by the ocean research nonprofit OCEARCH on January 17, 2025, roughly 45 miles off the Florida–Georgia coast. At the time, he measured … [Read more...] about This 1,600-pound ocean giant just went somewhere no other OCEARCH-tagged shark has ever been
One Of The UK’s Largest Spiders Just Turned Up 100 Miles From Where It’s Supposed To Live
One of Britain's biggest and most striking spiders has just been spotted more than 100 miles outside its usual territory — and wildlife experts say it's a sign of things to come. A Southern Spider Heading North The wasp spider (Argiope bruennichi) is hard to mistake for anything else: females grow a plump, boldly striped abdomen in yellow, black and white, closely … [Read more...] about One Of The UK’s Largest Spiders Just Turned Up 100 Miles From Where It’s Supposed To Live
There’s a Jellyfish Spreading Across the World’s Oceans That Has Figured Out How to Cheat Death
Most animals get one shot at life: grow up, grow old, and eventually die. One jellyfish, barely the size of a pinky nail, appears to have found a loophole. Meet the "Immortal Jellyfish" Turritopsis dohrnii was first described from the Mediterranean Sea in 1883, but its most remarkable trait wasn't documented until over a century later, in 1992. When the jellyfish is … [Read more...] about There’s a Jellyfish Spreading Across the World’s Oceans That Has Figured Out How to Cheat Death