• Just Ask: How Does Sunscreen Work?

    Just Ask: How Does Sunscreen Work?

    Dec 15, 2010 12:00 AM EDT

    As a cold front settles across the Eastern seaboard, we turn wistfully to thoughts of the sun for this week's Just Ask! science post. This one comes from a reader, Amanda Teicher, who wants to know: "How does sunscreen work?" The first widely used sunscreen was a sticky, red ...

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    Just Ask: What Would a Supersized Atom Look Like?

    Dec 07, 2010 09:07 PM EDT

    ... of electrons," Kakalios says. "And if you start to ask, where is the electron, really?... that's when you start getting into the late-night philosophical questions. Then it goes into a different realm." Email your Just Ask! questions to science@newshour.org with "Science Question" in the subject line.

  • Just Ask: What Makes Volcanoes Erupt?

    Just Ask: What Makes Volcanoes Erupt?

    Nov 30, 2010 10:01 PM EDT

    It's time for our weekly Just Ask feature, where the experts tackle your questions on science and technology. John Eichelberger, a volcano expert with the U.S. Geological Survey, answers the question, "Why Does the Earth Have Volcanoes, and What Makes Them Erupt?" Even though the earth is 4 ...

  • Probe of classified documents at Mar-a-Lago seems to be nearing the end. Trump’s lawyers just asked to meet with Garland

    Probe of classified documents at Mar-a-Lago seems to be nearing the end. Trump’s lawyers just asked to meet with Garland

    May 24, 2023 04:31 PM EDT

    WASHINGTON (AP) — Lawyers for Donald Trump on Tuesday asked for a meeting with Attorney General Merrick Garland as a Justice Department investigation into the former president's handling of classified documents shows signs of winding down. In the letter, which Trump posted on his Truth Social platform, attorneys John Rowley ...

  • State Department proposes sending Afghans who helped U.S. war effort to Congo

    State Department proposes sending Afghans who helped U.S. war effort to Congo

    Apr 23, 2026 10:30 PM EDT

    ... violation of the promise of America that is squarely on the shoulders of President Trump, Stephen Miller and Marco Rubio. Amna Nawaz: Shawn, can I just ask you to take a step back here? You yourself are a veteran. You have made this advocacy your life's work over the ...

  • Pope Leo's critiques of Trump policies hold more weight as a fellow American, priest says

    Pope Leo's critiques of Trump policies hold more weight as a fellow American, priest says

    Apr 15, 2026 10:30 PM EDT

    Amna Nawaz: We're joined now by Reverend James Martin. He's a Jesuit priest and editor at large of "America" magazine. Father Martin, welcome back to the "News Hour." Thanks for being with us. Rev. James Martin: My pleasure. Amna Nawaz: So let me just ask what you thought ...

  • What international law says about Trump's threats to bomb Iran's bridges and power plants

    What international law says about Trump's threats to bomb Iran's bridges and power plants

    Apr 06, 2026 10:40 PM EDT

    ... Amna Nawaz: So, Colonel... (crosstalk) Lt. Col. Rachel VanLandingham (ret.): So, the next step that you -- go ahead. Amna Nawaz: If I may, let me just ask you this then. At this point in time -- we have a minute or so left -- what would your advice be to U.S ...

  • ‘No excuse’ for immigration agents’ excess use of force, says former DHS head Napolitano

    ‘No excuse’ for immigration agents’ excess use of force, says former DHS head Napolitano

    Feb 03, 2026 11:35 PM EDT

    ... back to the "News Hour." Thank you for joining us. Janet Napolitano, Former U.S. Secretary of Homeland Security: Thank you. Amna Nawaz: Can I just ask you to respond to some of the sound we heard there from that forum today of people testifying about the use of force ...

  • Thousands of flights canceled as massive winter storm bears down across the U.S.

    Thousands of flights canceled as massive winter storm bears down across the U.S.

    Jan 24, 2026 06:17 PM EDT

    ... come. The Federal Emergency Management Agency pre-positioned commodities, staff and search and rescue teams in numerous states, Homeland Security Secretary Kristi Noem said. “We just ask that everyone would be smart – stay home if possible,” Noem said. As crews in some southern states began working to restore downed power ...

  • 'We cannot have art institutions that lose money': Grenell defends Kennedy Center takeover

    'We cannot have art institutions that lose money': Grenell defends Kennedy Center takeover

    Jan 02, 2026 11:43 PM EDT

    ... The New York Times also reported that venue income fell around 50 percent. Richard Grenell: So, here is... Amna Nawaz: If I may, let me just ask this, because, as you note, you're sort of rolling out a different revenue model, is what I'm hearing. So are ticket ...