In 1921, Otto Loewi woke from a dream with the idea for an experiment that proved nerves communicate using chemicals, not just electricity. By showing that stimulating one frog’s heart released a ...

Scientists have discovered that frogs have the ability to regrow limbs. It was already known that other animals, like salamanders, starfish, crabs and lizards could do the same. Researchers at Harvard ...

A bacterium living quietly in the intestines of a tiny tree frog has done something cancer researchers spend careers chasing: it wiped out established tumors in mice with a single treatment. The ...

When 8-year-old Ava Calsbeek spotted some wood frog eggs in a pond near her family’s home in Hanover, she noticed they were black on one side and white on the other. Ava showed her dad, Ryan Calsbeek, ...