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The North American porcupine has a cute face, but it has upward of 30,000 menacing quills covering much of its body. The slow-moving herbivore uses them as a last-resort defense against predators.

Porcupine Barbs For Better Wound Healing

Surgeons would love to find a replacement for surgical staples — one that doesn't aggravate wounds on the way in and out. Bioengineers think they've found the right model — a porcupine's quill.

Attorney General William Barr arrives to testify about the Justice Department's FY 2020 budget request before a subcommittee of the House Appropriations Committee on Tuesday.

Barr: Mueller Report Out Within 1 Week; IG Report On Russia Inquiry This Summer

The attorney general says work is going well in redacting the special counsel's report about the Russian interference in the 2016 election — and DOJ has at least one other report coming too.

The Capitol dome is seen through cherry blossoms on Friday, March 29, 2019 in Olympia.

Analysis: What's left to negotiate as the legislative session winds down?

Washington’s legislative session is in its final three-week stretch. The House and Senate must negotiate a final budget, and a lot of bills remain in…

Treasury Secretary Steven Mnuchin testifies before the U.S. House of Representatives last month.

White House Lawyers Discussed Trump Tax Returns With Treasury Department

Democrats point to a 1924 law that allows Congress to request the tax returns of any taxpayer. But Trump and his defenders say the president's returns are private and can't be reviewed by Congress.

President Trump repeated his false claim that the Obama administration had a policy of separating families at the border.

FACT CHECK: Trump Wrongly States Obama Administration Had Child Separation Policy

Speaking to reporters Tuesday, President Trump restated an earlier falsehood in which he blamed the Obama administration for a policy the Trump administration in fact started.

Supporters applaud after the Pittsburgh City Council voted to pass gun control legislation on April 2.

Pittsburgh Restricts Use Of Assault-Style Weapons, Setting Up Court Fight

The mayor signed a set of gun control bills that were introduced after the deadly shooting at the Tree of Life synagogue last October. Supporters faced immediate opposition from gun rights advocates.

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