As a gay Latina growing up in Chicago, the only time Dr. Erika Gisela Abad would see someone like herself on a television screen was if she happened to catch her reflection.

With their vacant eyes and enigmatic, toothy expressions, the 9,000-year-old stone masks from the area around the southern Judean desert are among the region’s most compelling and distinctive artifacts. Adding to that is their rarity: Only 15 examples are known to exist. So, when the Israel Antiquities Authority (IAA) recently announced the discovery of a sixteenth stone mask, it grabbed the attention of archaeologists and the public alike—but also revived a simmering discussion on the authenticity of these unique objects.

Professor Matt Lachniet spends hours looking for clues. This Thursday, he shows us samples in his laboratory of stalagmites from Nevada caves. Some are thousands of years old, pointing to a time when this desert was actually hotter and drier, which coincides with a time when the oceans we now call the Pacific and the Arctic were warmer.

With their vacant eyes and enigmatic, toothy expressions, the 9,000-year-old stone masks from the area around the southern Judean desert are among the region’s most compelling and distinctive artifacts. Adding to that is their rarity: Only 15 examples are known to exist. So, when the Israel Antiquities Authority (IAA) recently announced the discovery of a sixteenth stone mask, it grabbed the attention of archaeologists and the public alike—but also revived a simmering discussion on the authenticity of these unique objects.

Americans are known around the world for eating too much, but when it comes to time, we are starving ourselves. It’s called “time famine” – an unpleasant, uncomfortable feeling that we have too much to do in too little time. Social scientists have been studying it for more than 20 years.

Las Vegas may no longer be just the entertainment capital of the world.

Jeremy Aguero, principal analyst for Las Vegas-based Applied Analysis, said the city is well on its way to becoming the sports and entertainment capital of the world, with the introduction of professional sports teams like the Vegas Golden Knights and, eventually, the Raiders.

Your Krispy Kreme Doughnuts experience may not have been quite like Marc-Andre Fleury's, but it was probably just as exciting.

Dr. Deborah Kuhls talks about her experience as a trauma surgeon treating gunshot victims as the feud between the National Rifle Association and the medical community still rages on, with the latest round coming from physicians who released an editorial saying they disagree with the NRA.

We're surrounded by sounds like cars driving, planes flying, trees blowing in the wind every day.

It’s time for a dinosaur update.

A few years ago, UNLV researchers were tasked with trying to figure out what kind of prehistoric animal made tracks that were fossilized in the area of Gold Butte National Monument.

These days millions of people are turning to the sounds of whispering,tapping, and scratching to help them relax and de-stress.

A geology professor with the University of Nevada, Las Vegas discovered a set of footprints that were left behind by a reptile-like creature 310 million years ago at the Grand Canyon.