They’re called man’s (or woman’s) best friend, and for good reason. Dogs seem to have the natural ability to feed off human emotions and reciprocate. Through a mutual understanding of things like happiness, fear and empathy, dogs and their caretakers are able to form a bond the way one would with a family member or friend.

“Our mission is to end the killing of shelter pets.” For the past thirty years, Frances Battista and a group of friends have been working hard to accomplish that mission, founding Best Friends Animal Society and building the largest no-kill sanctuary for homeless animals in need. Located in the beautiful red rocks of Kanab, Utah, Best Friends Animal Sanctuary is home to about 1,700 animals — cats, dogs, rabbits, birds, horses, goats, pigs and sheep — just to name a few.

Yahoo Global News Anchor Katie Couric goes inside the tiny house movement to take a look at the revolutionary trend and learn how people are living small in both rural areas and the big city.

“I’m a storyteller and a hacker and a maker,” Mick Ebeling explains to Yahoo Global News Anchor Katie Couric at his company headquarters in Venice Beach, Calif. “I look at the world and look for things that we think are impossible. And then we just figure out, come hell or high water, how to make it possible.” With the mission of using technology for the sake of humanity, Ebeling founded Not Impossible Labs.

Ever since Superman first burst onto the printed page in 1938, superheroes have become a staple of American storytelling — from comic books and TV shows to blockbuster movies and video games — conquering evil and injustice throughout.

She started modeling when she was just 12 years old in her hometown of Lincoln, Nebraska, but now Ashley Graham is making a splash in the pages of this year’s Sports Illustrated Swimsuit Issue, flaunting her beautiful and voluptuous size 16 figure in a steamy ad for Swimsuits for All.

Since 1984, more women than men have died each year from heart disease. Heart disease is now the No. 1 killer of women, causing more deaths than all cancers combined. And yet only 56 percent of American women realize that heart disease is their greatest health threat. To combat this gap in understanding – and the heart disease epidemic itself – Barbra Streisand has co-founded the Women’s Heart Alliance, a collaboration between the Barbra Streisand Women’s Heart Center at Cedars-Sinai Hospital in Los Angeles and the Ronald O. Perelman Heart Institute at NewYork-Presbyterian/Weill Cornell Medical Center.