Add Yahoo as a preferred source to see more of our stories on Google. A paleontologist holds a megalodon fossil tooth. Kristen Grace/FLMNH, CC BY-SA The ratios of strontium isotopes in fossil shark ...

Otodus megalodon was the largest predatory fish in Earth's history. Measuring up to 24 meters, it was longer than a truck with a trailer and weighed almost twice as much. Embedded in its jaws were ...

If you saw my previous video you were introduced to our good friend Bob from Canada. Here he joins us for another day of ...

Add Yahoo as a preferred source to see more of our stories on Google. A student creates their model using Google Teachable Machine. Christine Wusylko, CC BY-ND Most kids have a natural curiosity about ...

Six fossilized great white shark teeth have been found on Narragansett Town Beach in Rhode Island within a year. The Atlantic Shark Institute is encouraging the public to report any further ...

(THE CONVERSATION) Most kids have a natural curiosity about sharks − especially their sharp and abundant teeth. Our team had the idea to use the appeal of this charismatic apex predator to teach how ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Christine Wusylko, University of Florida and Pavlo Antonenko, University of Florida ...