70-million-year-old crocodile relative with dinosaur-crushing jaws found in Argentina
Seventy million years ago, southern Patagonia was home to dinosaurs, turtles, and mammals—but also to a fierce crocodile-like predator. A newly discovered fossil, astonishingly well-preserved, reveals Kostensuchus atrox, a powerful…
Bumble bees balance their diets with surprising precision
Bumble bees aren’t random foragers – they’re master nutritionists. Over an eight-year field study in the Colorado Rockies, scientists uncovered that different bee species strategically balance their intake of protein,…
Scientists unlock the gene that lets bearded dragons switch sex
Two independent research teams have unveiled near-complete reference genomes of the central bearded dragon, a reptile with the rare ability to change sex depending on both chromosomes and nest temperature.…
Trojan horse bacteria sneak cancer-killing viruses into tumors
Scientists have engineered a groundbreaking cancer treatment that uses bacteria to smuggle viruses directly into tumors, bypassing the immune system and delivering a powerful one-two punch against cancer cells. The…
These frozen wolf cubs ate a woolly rhino—and changed what we know about dogs
Two Ice Age wolf pups once thought to be early dogs have been identified as wild wolves, thanks to detailed DNA and chemical analysis. Surprisingly, their last meals included woolly…
How cats with dementia could help crack the Alzheimer’s puzzle
Cats can naturally develop dementia with brain changes strikingly similar to Alzheimer’s disease in humans, including toxic amyloid-beta buildup and loss of synapses. A new study shows these similarities could…
Can humans regrow eyes? These snails already do
Apple snails can fully regrow their eyes, and their genes and eye structures are strikingly similar to humans. Scientists mapped the regeneration process and used CRISPR to identify genes, including…
This prehistoric predator survived global warming by eating bones
A prehistoric predator changed its diet and body size during a major warming event 56 million years ago, revealing how climate change can reshape animal behavior, food chains, and survival…
Ancient bird droppings reveal a hidden extinction crisis
An intriguing new study reveals that over 80% of parasites found in the ancient poo of New Zealand’s endangered kākāpō have vanished, even though the bird itself is still hanging…
Do dogs know who’s kind? Scientists put it to the test—and got a surprise
Despite our strong belief in dogs’ ability to sense good from bad in people, new research shows they may not actually judge human character, at least not in the way…