Daniel Estrin

When the Henyos were asked to dunk their faces in cold water, their heart rates dropped more than non-divers, due to a lifetime of training. When it came to the genetics, everyone on the island, Henyos and non-Henyos, basically had the same genes, including two that stood out.

When the Henyos were asked to dunk their faces in cold water, their heart rates dropped more than non-divers, due to a lifetime of training. When it came to the genetics, everyone on the island, Henyos and non-Henyos, basically had the same genes, including two that stood out.

One related to cold tolerance, and one related to blood pressure that may offer protection from preeclampsia and other conditions like stroke.

One related to cold tolerance, and one related to blood pressure that may offer protection from preeclampsia and other conditions like stroke.

Melissa Allardo is an evolutionary geneticist at the University of Utah. She says the extreme diving of the Henyos has changed not just their bodies, but those of everyone else on the island who are descendants of divers. Ari Daniel, NPR News.

Melissa Allardo is an evolutionary geneticist at the University of Utah. She says the extreme diving of the Henyos has changed not just their bodies, but those of everyone else on the island who are descendants of divers. Ari Daniel, NPR News.

I'm in what's known as Hostage Square in downtown Tel Aviv. Israelis are beginning to gather here in front of a large television screen. They're holding signs with the faces of other Israeli hostages still in Gaza. And they are hoping to see imminently the release of Idan Alexander being released from Gaza.

I'm in what's known as Hostage Square in downtown Tel Aviv. Israelis are beginning to gather here in front of a large television screen. They're holding signs with the faces of other Israeli hostages still in Gaza. And they are hoping to see imminently the release of Idan Alexander being released from Gaza.

I'm in what's known as Hostage Square in downtown Tel Aviv. Israelis are beginning to gather here in front of a large television screen. They're holding signs with the faces of other Israeli hostages still in Gaza. And they are hoping to see imminently the release of Idan Alexander being released from Gaza.

Then he is expected to be taken to an Israeli hospital where other released hostages have been admitted in the past.

Then he is expected to be taken to an Israeli hospital where other released hostages have been admitted in the past.

Then he is expected to be taken to an Israeli hospital where other released hostages have been admitted in the past.

He's 21 years old. He grew up in New Jersey and moved to Israel to serve in the Israeli military. He was captured by Hamas in the October 7th attack while he was guarding his army base. And today his mother is flying in from the United States with President Trump's envoy, Adam Boehler, to hopefully greet her son upon his release.

He's 21 years old. He grew up in New Jersey and moved to Israel to serve in the Israeli military. He was captured by Hamas in the October 7th attack while he was guarding his army base. And today his mother is flying in from the United States with President Trump's envoy, Adam Boehler, to hopefully greet her son upon his release.

He's 21 years old. He grew up in New Jersey and moved to Israel to serve in the Israeli military. He was captured by Hamas in the October 7th attack while he was guarding his army base. And today his mother is flying in from the United States with President Trump's envoy, Adam Boehler, to hopefully greet her son upon his release.

Well, Hamas is saying that these talks took place in recent days. And we spoke with a Hamas official who spoke on condition of anonymity. He's not authorized to speak publicly about this. He says that the U.S. did make promises in exchange for Alexander's release.

Well, Hamas is saying that these talks took place in recent days. And we spoke with a Hamas official who spoke on condition of anonymity. He's not authorized to speak publicly about this. He says that the U.S. did make promises in exchange for Alexander's release.

Well, Hamas is saying that these talks took place in recent days. And we spoke with a Hamas official who spoke on condition of anonymity. He's not authorized to speak publicly about this. He says that the U.S. did make promises in exchange for Alexander's release.

He hinted that that could be the release of some Palestinian prisoners from Israeli jails and the ensuring some aid get into Gaza after the a 10-week Israeli blockade. Now, Hamas and President Trump also are publicly saying they hope this leads to talks toward ending the war in Gaza. And the Hamas official told us, we gave the Americans what they asked for.

He hinted that that could be the release of some Palestinian prisoners from Israeli jails and the ensuring some aid get into Gaza after the a 10-week Israeli blockade. Now, Hamas and President Trump also are publicly saying they hope this leads to talks toward ending the war in Gaza. And the Hamas official told us, we gave the Americans what they asked for.