A University of Miami doctor says he can rebuild a whole jaw using new stem cell collection technology.

Known as the “MarrowMarxman”, the FDA-registered device was developed and tested by Dr. Robert Marx, who is a professor and chief of the Division of Oral and Maxillofacial Surgery at the University of Miami Miller School of Medicine. 

“The medical device is an improvement over current technology,” he said. 

After dropping an attempt to keep secret the identities of two plaintiffs, the National Rifle Association has relaunched a federal court challenge to a Florida law that raised the age to purchase rifles and other long guns.

Some Florida dentists, hygienists, students and advocates are promoting a legislative proposal to create a new tier of providers who could offer routine procedures to people who lack access to oral health care.

It’s going to take more time before Miami-Dade County starts to sound like Monaco.

County lawmakers will continue to debate the possibility of holding a Formula 1 race at Hard Rock Stadium in Miami Gardens. At a packed meeting Tuesday, commissioners failed to override a veto by Miami-Dade County Mayor Carlos Gimenez.

He issued one on Nov. 8 against a resolution passed on Oct. 29 that would’ve made it harder to hold the race at the proposed stadium site.

The Monroe County Public Library system is celebrating its 60th birthday this month. But the Key West library calls itself South Florida's oldest, dating back to the 1800s. 

Updated at 11:45 a.m. ET

A judge has blocked the U.S. government's plan to begin executing federal prisoners for the first time in nearly 20 years. U.S. District Judge Tanya S. Chutkan issued a preliminary injunction Wednesday halting four executions set to begin next month over concerns about the government's lethal injection method.

Updated at 10:43 a.m. ET

A group of McDonald's cooks and cashiers is suing the fast-food chain over the company's handling of what the lawsuit presents as a "nationwide pattern" of customers attacking and harassing workers.

For generations, farmers in the Harchi Valley in Pakistan's highlands enjoyed a close relationship with their glacier that snakes between two mountain peaks. It watered their fields, orchards and grazing lands.

Following local tradition, it has a name — Ultar — and a gender — male, because it is black, owing to the debris that covers it (female glaciers are white, residents say).

Two more witnesses testify Thursday morning in front of the House Intelligence Committee, marking the end of this week's public impeachment hearings.

Fiona Hill, the former Russia director for the National Security Council, and David Holmes, a U.S. diplomat from the U.S. Embassy in Kyiv, are appearing before investigators.

Over the past three days, lawmakers have spent hours questioning a total of nine U.S. officials (including Hill and Holmes).

No additional hearings have been announced by the Intelligence Committee.

Fiona Hill

Updated at 9:05 a.m. ET

Candidates seeking the Democratic presidential nomination took to the debate stage for the fifth time Wednesday night. There weren't any groundbreaking or game-changing moments, but here are five things that stood out:

1. Impeachment hearings may have taken some steam out of the debate

Let's face it: The biggest story of Wednesday was not the debate, it was the impeachment testimony of Gordon Sondland, the U.S. ambassador to the European Union.