A federal appeals court paved the way on Wednesday for Ohio to resume executions by lifting a lower court's decision to halt the state's lethal injection process.

It was a contentious decision that split the 6th U.S. Circuit Court of Appeals judges in an 8-6 vote.

In the case brought by death row inmates, the judges focused on the effects of the sedative midazolam, one of the three lethal injection drugs used by Ohio.

Boaty McBoatface is back.

And according to the British Antarctic Survey, the world's most famous unmanned submersible returned from its inaugural voyage last week with a trove of "unprecedented data about some of the coldest abyssal ocean waters on earth."

Drive east from Washington and eventually you run smack into the middle of the Chesapeake Bay, the massive estuary that stretches from the mouth of the Susquehanna River at Maryland's northern tip and empties into the Atlantic 200 miles away near Norfolk, Va.

The Chesapeake is home to oysters, clams, and famous Maryland blue crab.

It's the largest estuary in the United States.

The Trump administration is expected Thursday to announce how it will implement its modified travel ban, following the Supreme Court's decision on Monday lifting a stay on the executive order imposed by two lower courts.

For the first time, the number of children paralyzed by mutant strains of the polio vaccine are greater than the number of children paralyzed by polio itself.

So far in 2017, there have been only six cases of "wild" polio reported anywhere in the world. By "wild," public health officials mean the disease caused by polio virus found naturally in the environment.

Updated at 3:30 p.m. ET

Americans may be celebrating 241 years of independence this Fourth of July, but they won't be liberated from their cars on what's forecast to be the "most traveled Independence Day holiday" ever.

AAA says that 44.2 million Americans are expected to travel 50 miles or more from home, with the vast majority on the road. That's an increase of nearly 3 percent from the year before, or more than a million people.

The Florida Supreme Court heard oral arguments Wednesday in a legal dispute over the death penalty that pits a local prosecutor against the governor.

At issue is whether Gov. Rick Scott has the authority to remove cases from State Attorney Aramis Ayala of Orlando because she won't seek the death penalty.