Why your teeth are sensitive—and it started 465 million years ago
If you’ve ever flinched during a cold drink or a dental cleaning, you know that our teeth can be incredibly sensitive.
That sensitivity is thanks...
Scientists confirm dinosaur eggshells had self-grown crystals, just like modern reptiles
A new international study has confirmed that a mysterious feature found in dinosaur eggshells—called secondary eggshell units (SEUs)—are natural biological structures, not just the...
The other Great Wall: A Medieval marvel hidden in the steppes
When we think of massive ancient walls in Asia, the Great Wall of China usually comes to mind.
But it turns out there’s another, lesser-known...
Ancient dinosaurs could help unlock the secrets of cancer
New research suggests that dinosaurs may help scientists make important discoveries about cancer.
By using new technology to study soft tissue preserved in dinosaur bones,...
Megalodon wasn’t a picky eater: New study shows giant shark had a flexible diet
The megalodon, the largest predatory fish in Earth’s history, was a truly massive creature—measuring up to 24 meters long and weighing nearly twice as...
How likely are habitable exo-moons
Of the roughly 6,000 exoplanets we've discovered, a significant number are in the apparent habitable zones of their stars.
Most are giant planets; either gas...
Ancient fish reveal teeth evolved from sensory armor, not just for biting
Teeth are some of the most sensitive parts of the body, giving us important signals about temperature, pressure, and pain when we eat.
But new...
B.C.’s ancient sea monster gets a name: Meet Traskasaura sandrae
A mysterious sea creature that once swam in the ancient waters of what is now British Columbia has finally been identified as a new...
Scientists find more smog-causing chemicals in Los Angeles than expected
Los Angeles has long struggled with air pollution, and despite progress over the decades, smog is still a major issue in the region.
Now, scientists...
Sailing like a Viking, archaeologist uncovers lost ports and bold sea routes
For the past three years, archaeologist Greer Jarrett from Lund University in Sweden has been sailing ancient Viking routes in a replica of a...