You might have heard that one year in a dog’s life is equivalent to seven in a human’s. But it turns out that the real ratio is both higher AND lower—depending on your dog’s current age.

You might have heard that one year in a dog’s life is equivalent to seven in a human’s. But it turns out that the real ratio is both higher AND lower—depending on your dog’s current age.

Howcast - Learn how to keep your pet sugar glider healthy with preventative veterinary care from veterinarian Anthony Pilny in this Howcast video.

Learn why cats purr from board-certified veterinary behaviorist Dr. E'Lise Christensen, DVM in this Howcast video.

This inseparable pair are alike in many ways... but this race is no contest.

Watch the unusual friends race to the finish line after Ruuxa's legs heal.

Best pals Ruuxa the cheetah and Raina the dog are alike in many ways... but this race is no contest.

See the process by which geneticists extract DNA from a blood sample.

This video is a fun and educational exploration of the importance of acts of service and living a life of kindness. It emphasizes the need to take care of ourselves before helping others and encourages children to discover their passions...

In almost every year since the 1960s, health care spending has grown at least as fast as the overall economy, and often much faster. Health economists have long debated why.