Animal hearts with interesting things will surprise you.
In just about 3 minutes, this frog's skin has changed from smooth to thorny and then quickly returned to smooth skin.
Tree frogs in the rainforest send messages to their fellow humans by snatching branches.
Chinese scientists discover behavior
A group of Ecuadorian biologists has reportedly discovered five new-born frog species at Yasuni National Park, located in the Amazon forest of this South American country.
An extinct published frog species 20 years ago suddenly found in the Monteverde rainforest reserve in Costa Rica.
People in Australia's Queensland state are participating in the campaign to hunt for a toxic giant frog native to the Americas.
NASA discovers 'aliens' on Mars, Cleopatra - The first woman to 'manipulate' sex toys, finds giant monsters at the bottom of the Arctic, 12 stories that are even more terrifying.