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This synthetic fish is powered by human heart cells. Scientists say that they could help lead the way toward building replacement hearts from human tissue.

Watch these robotic fish swim to the beat of human heart cells

Tiny, robotic fish powered by human heart cells suggest that scientists are getting closer to their goal of building replacement hearts from living tissue.

Kevin Tranbarger poses with his two children outside the Hong Kong International Airport in July, before they left for the United States. A few weeks later, Tranbarger decided to permanently move away from Hong after living there for nearly three decades.

He loved Hong Kong. Its COVID crackdown made him leave without even saying goodbye

Hong Kong has imposed severe restrictions to fight COVID-19. For many expatriates, this is the last straw after years of seeing its autonomy erode as China tightens its grip on the territory.

Exclusive: How the most affordable student loan program failed low-income borrowers

Income-driven repayment plans were intended to help low-income student loan borrowers, and eventually cancel their debt. New documents paint a breathtaking picture of the program's failure.

A health worker in Mexico City prepares a Sputnik V dose during a mass vaccination effort against COVID-19. A new study in Mexico shows that non-mRNA vaccines like the Russian version can be as effective as mRNA vaccines like Pfizer if the patient has previously been infected with SARS-CoV-2.

Looks like non-mRNA vaccines can be as good as Pfizer and Moderna in certain scenarios

The consensus has been that Pfizer and Moderna are most protective. But a study looking at 5 vaccines — including Russia's Sputnik V and two Chinese types — offers an unexpected finding.

Ralph Emery, second from the right, appears in Nashville on Aug. 7, 2007 with, from left, Vince Gill, Country Music Association Chief Operating Officer Tammy Genovese and Mel Tillis, after it was announced that the three men will be inducted into the Country Music Hall of Fame. Emery died Saturday, Jan. 15, 2022, his family said.

The famed country music broadcaster Ralph Emery has died at age 88

Emery became known as the dean of country music broadcasters over more than a half-century in both radio and television. He was inducted into the Country Music Hall of Fame in 2007.

Judge Ketanji Brown Jackson, with President Biden and Vice President Harris, speaks after being nominated for the U.S. Supreme Court at the White House on Feb. 25.

Civil rights activists are prepared to fight for Jackson's nomination to the court

The confirmation hearings for the Supreme Court nomination of Ketanji Brown Jackson are set for March 21. Activists who pushed for a Black woman are excited and ready for a fight.

Procter & Gamble recalled 32 of its dry shampoo and conditioner products, some of which are pictured here, after detecting "unexpected" levels of the carcinogen benzene in some products.

Procter & Gamble recalls 32 dry shampoo and conditioner products over benzene concern

The company said it had not received any reports of adverse events related to the products but was issuing the recall as a precautionary step.

Rep. Bennie Thompson, D-Miss., chair of the select committee investigating the Jan. 6 attack on the U.S. Capitol, speaks during a meeting on Dec. 13, 2021. One part of the panel's probe focuses on money and the day's events.

New clues emerge about the money that might have helped fund the Jan. 6 insurrection

Recent legal moves by the House select committee investigating the Jan. 6, 2021, attack on the Capitol offer some clues on how it's following the money.

Demonstrators rally against provincial and federal COVID-19 vaccine mandates and in support of Ottawa protestors on Friday outside the Manitoba Legislature in Winnipeg.

Ontario premier calls on COVID restriction protesters to end their 'occupation'

The crowdfunding site GoFundMe said it would refund or redirect to charities the vast majority of millions raised by demonstrators protesting COVID-19 measures in the Canadian capital.

About 100 voting bills have now been introduced in the Arizona legislature, many are seen as limiting or restricting access to the ballot box.

Arizona Republicans continue pushing voting restrictions, risking backfire

Republican lawmakers in Arizona are introducing nearly a hundred so-called voter reform bills this year despite two reviews showing there were no problems with the 2020 presidential election.

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