Hailey Dawson, an 8-year-old who was born missing three fingers due to a rare disease, threw out the first pitch at Tuesday’s White Sox game against the Cleveland Indians.

The San Francisco Giants added a special pitcher to their roster for the day. It was small -- yet fierce -- Hailey Dawson, who has a 3D-printed hand.

Hailey Dawson has opened up professional sporting events before, but never in her hometown.

San Diego native Jacqueline Phan passed on opportunities to study in California so she could contribute to biochemistry research here in Las Vegas.

A team of researchers from the University of Nevada Las Vegas have developed a device they hilarious call the “Tooth Cracker 5000” to extract 80 percent of the stem cells a pulp contains from a wisdom tooth.

If you’ve been following the World Series, you may have noted a special appearance during game four.

On Saturday, the Los Angeles Dodgers and the Houston Astros will meet for Game 4 of the World Series. As with any Major League Baseball game, the competition will kick off with a ceremonial pitch. But this one will be especially awe-worthy, featuring a 7-year-old girl with a 3D-printed hand.

Earlier this year, Hailey Dawson was determined to convince every Major League team to let her throw out a ceremonial first pitch at their ballpark. By the time her day was complete on Saturday, she crossed another stadium off her list, doing so on the biggest stage imaginable.

Hailey Dawson, a 7-year-old Las Vegas-area girl with a 3-D printed hand engineered by UNLV students, is taking center stage at the World Series this afternoon, tossing out the ceremonial first pitch.

A 7-year-old girl with a 3-D printed prosthetic hand will toss out the ceremonial first pitch at tonight's Game 4 of the World Series at Minute Maid Park in Houston.

The ceremonial first pitch is a time-honored tradition in baseball. For Game 4 of the World Series between the Los Angeles Dodgers and the Houston Astros on Saturday in Houston, a young girl from Nevada is ready for the challenge – using a 3-D printed hand.

Hailey Dawson is already a veteran of tossing the ceremonial first pitch at the ripe old age of seven. She’s got two Major League games under her belt and is about to add a third, with her biggest audience yet, as she kicks off Game 4 of the World Series in Houston.