Windsor Johnston

This is NPR.

A blackout hit the western half of Cuba today, leaving millions of people in Havana and surrounding areas without power.

It's the second major outage to affect the island in the past three months.

Authorities say the cause of the blackout is not immediately clear.

A Texas biotech that wants to bring the woolly mammoth and other extinct species back to life is dismissing doubts and criticism from independent scientists.

NPR's Rob Stein has more.

British Columbia is planning to adopt permanent daylight saving time beginning November 1.

The time change will put the Canadian province one hour ahead of Washington state and Oregon.

Officials say the shift serves the well-being of B.C.

residents.

They moved ahead, anticipating that neighboring U.S.

states may soon follow.

At last check on Wall Street, the Dow was up 238 points.

This is NPR News.

Live from NPR News in Washington, I'm Windsor Johnston.

The White House is signaling a far more aggressive stance toward Iran.

Press Secretary Caroline Leavitt is defending the administration's action against Iran and says the president is determined to confront what she calls the world's leading state sponsor of terrorism.

Levitt said the president believed Iran was preparing to strike U.S.

personnel and assets in the region.

She said that left him with a choice, act first using U.S.