Johnny Mac, shares five heartwarming and uplifting news stories. First, an elderly man was rescued from a frozen Michigan lake by his pet dog, Ruby.

Secondly, doctors in the University of Pennsylvania were able to hook a genetically modified pig liver up to a brain-dead patient, successfully filtering his blood for 72 hours.

Next is the development of a new app that can reduce the impact of tinnitus.

Another story features Stephen Murrow, a professional tree climber who rescues cats stuck in trees free of charge.

The final piece shares that pasta, contrary to popular belief, can be a healthy dish if prepared mindfully according to guidelines provided by Erin Morse, Chief Clinical Dietitian at the UCLA Health Center.

Heroic Dog Saves Owner from Frozen Lake

Medical Breakthrough: Pig Liver Filters Human Blood

New App to Reduce Impact of Tinnitus

Tree Climber Rescues Cats Stuck in Trees

Healthy Pasta: Tips from a Dietitian