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Researchers hope these "embryoids" could provide crucial new insights into how to treat infertility and prevent miscarriages, birth defects and many diseases. But they stir ethical concerns.

"Hail more than a meter high, and then we wonder if climate change exists," said Enrique Alfaro Ramírez, the governor of Jalisco state. The Mexican army is helping to dig out the city.

The "Remain in Mexico" program is a key part of the Trump administration's plan to turn back a crush of migrants at the southern border, and it's a historic shift in how the asylum system works.

The Trump administration is pumping $3 billion into shelter network for migrant children after reports of kids held in squalid Border Patrol cells. But critics don't want these kids confined at all.

NPR's Audie Cornish speaks with Francis Collins, director of the National Institutes of Health, about his decision to decline speaking on what he calls "manels" — panels that exclude women.

NPR's Mary Louise Kelly talks with Jennifer Layke, global director of the energy program at World Resources Institute, about Google's aspirations to power all its operations with carbon-free energy.

President Trump has reversed course and agreed to lift restrictions against Huawei, the Chinese telecom giant. Some members of Trump's administration consider Huawei a serious national security threat.

Among the group's most offensive posts were discussions of recent migrant deaths, jokes about throwing burritos at lawmakers and illustrations depicting sexually aggressive acts.

The new swing vote on the court is the conservative chief justice; Trump's appointees are going different directions; and Justice Ginsburg appears to be handing off the liberal torch to Justice Kagan.

Rachel Martin talks to Ellie Geranmayeh, who advised European leaders on the nuclear negotiations that led to the deal, and is a senior policy fellow at the European Council on Foreign Relations.