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Researchers printed gelatin scaffolds into which they placed ovarian tissue, and then implanted the new organs in mice. Three out of seven female mice produced healthy offspring using the technology.

The Office of Government Ethics "declines your request to suspend its ethics authority," its director tells the White House. The administration said compiling the waivers exceeded OGE's authority.

Since Attorney General Jeff Sessions has recused himself from any possible investigation into the Trump campaign and Russia, Rod Rosenstein would have to pick up the task if confirmed.

Many of America's farmers are successfully fending off environmental regulation, from the Obama administration's Clean Water Rule to a lawsuit in Iowa that's aimed at reducing nitrates in rivers.

House Minority Leader Nancy Pelosi told NPR's Robert Siegel she doesn't think President Trump "has the faintest idea" about health care.

The Flame Refluxer is essentially a big copper blanket: think Brillo pad of wool sandwiched between mesh. Using it while burning off oil yields less air pollution and residue that harms marine life.

The man leading the DOJ investigation into Russian meddling in the 2016 election is building an all-star team of prosecutors. A conservative group that supports President Trump launched an attack ad.

The miniature models of Gulliver's Gate represent places in Asia, Africa, Europe and the Americas. They're populated by tiny people, pint–size penguins and bitty cars that move.

Carryn Owens' husband was Navy SEAL William "Ryan" Owens, who died in Yemen in January. President Trump offered his condolences last week. Michel Martin reflects on the deconstruction of her grief.

TV critic David Bianculli says the new season of the spy series about Soviet sleeper agents in Virginia has unexpected resonance given today's headlines: "The Americans deserves your attention now."