• Investigators May Be Able to Use Household Dust as a Forensic Tool

    A new study found it is possible to retrieve forensically relevant information from human DNA in household dust. After sampling indoor dust from 13 households, the researchers were able to detect DNA from household residents over 90% of the time, and DNA from non-occupants 50% of the time. The work could be a way to help investigators find leads in difficult cases.

  • The Time to Prevent Shortfalls in Critical Materials Is Now

    Rare earth elements are—despite their name—everywhere. They’re in your cellphone, your car, maybe even in a crown in your mouth. They’re in satellites, wind turbines, night-vision goggles, laser-guided missiles, and fighter jets. All of which makes China’s near-total domination of the rare earth market a matter of economic and national security concern.

  • A Balancing Act: What to Do About Taiwan

    If one of the world’s liberal democracies were to be taken over by a neo-totalitarian superpower, what would this imply for the future of freedom in Asia? What should we make of China’s claims about Taiwan? Should the U.S. replace its current policy of “strategic ambiguity” with a more explicit commitment to Taiwan’s defense?

  • Increase in Number of Nuclear Warheads In Arsenals of Nuclear Weapons States

    New report shows that the global arsenal of nuclear weapons available for use by the armed forces of the nine nuclear-armed states has increased. At the beginning of 2023, the nine nuclear-armed states had a combined inventory of approximately 12,512 nuclear warheads, of which 2,936 are retired and awaiting dismantlement. The remaining 9,576 nuclear warheads are available for use by the military, and have a collective destructive power of more than 135,000 Hiroshima bombs.

  • Germany's Balancing Act on Nuclear Weapons

    Germany is not a nuclear power, but it is part of U.S. nuclear strategy. In light of the war in Ukraine and the undoing of Cold War-era arms control, the country’s balanced approach is coming under more pressure.

  • The ‘Incelosphere’ and Incel Violence: A Worsening Problem?

    Should incel ideology be considered as extremist? Here is a summary of the research on how violent extremist language has increased over time as different online platforms have emerged and shutdown within the incel online ecosystem.

  • Major Foreign Terror Attack on U.S. “Almost Inconceivable” Now

    Foreign terrorist groups, including some Islamic State and al-Qaida affiliates, may have the desire to launch major attacks on U.S. soil, but decades of counterterrorism work have made carrying out such an operation close to impossible at the moment, a top U.S. homeland security official said.

  • MI5 Increases Terror Threat Level in Northern Ireland to “Severe”

    There has been increased dissident republican activity in Northern Ireland, including the attempted murder of a senior police officer last month. MI5 believed it had dealt a major blow to the New IRA in 2020 when police arrested nine suspected leaders of the organization, but the New IRA appears to have regrouped.

  • Underwater Nuclear Drone: North Korea’s Nuclear Madmen

    One remarkably irresponsible claim by Kim Jong Un is North Korea’s announced testing of an underwater drone that it states can carry a nuclear weapon, able to infiltrate enemy waters and create a deadly radioactive plume of water. Such a detonation could severely contaminate ships and port cities with intense radioactive fallout mixed with water.

  • How Many Guns Are There in the U.S.?

    We’ve heard for years that there are more guns in the U.S. than people, but a precise accounting remains elusive. Federal legislation that would track gun sales or establish a nationwide handgun registry has been proposed — to much resistance from the gun lobby. Pinpointing the number of guns in circulation could help us better understand the relationship between gun sales and gun violence.

  • Guns Now Kill More Children and Young Adults Than Car Crashes

    For the past few decades, motor vehicle crashes were the most common cause of death from injury— and the leading cause of death in general—among children, teenagers, and young adults in the U.S. But now, firearms exceed motor vehicle crashes as the leading cause of injury-related death for people ages one to 24.

  • Iran Could Make Fuel for Nuclear Bomb in Less Than 2 Weeks: Gen. Milley

    Iran could make enough fissile material for a nuclear bomb in “less than two weeks” and could produce a nuclear weapon in “several more months,” according to the Chairman of the Joint Chiefs of Staff General Mark Milley. The 2015 nuclear deal signed by the Obama administration increased Iran’s “breakout” time – that is, the time required to produce one nuclear weapon once a decision to do has been made — to about twelve months, but the Trump administration’s 2018 decision unilaterally to withdraw from the deal has allowed Iran to reduce the breakout time to about two weeks.

  • Survey of Iran’s Advanced Centrifuges - March 2023

    Iran continues to deploy advanced centrifuges at its three enrichment facilities at Natanz and Fordow in violation of the limitations outlined in the Joint Comprehensive Plan of Action (JCPOA). InFebruary 2021, Iran stopped providing declarations about its production and inventory of centrifuge rotor tubes, bellows, and rotor assemblies, and blocked the IAEA access to IAEA cameras recording activities in the enrichment facilities. In June 2022, Iran removed the IAEA cameras from the enrichment facilities, so no recordings exist. Consequently, the IAEA has had no ability to take inventory.

  • The Iraq Invasion, Twenty Years Later

    Last week marked the 20th anniversary of the United States-led invasion of Iraq. Code-named “Operation Iraqi Freedom” by the George W. Bush administration, the goal was to eliminate weapons of mass destruction, topple Saddam Hussein, and remake Iraq into a democracy. What lessons should we learn from the war and its aftermath?

  • Channeling NEXTGEN TV to Help Responders Answer the Call

    A natural disaster strikes, vehicles collide on a snowy highway, a 5-alarm fire blazes through the night. For first responders, every second counts. DHS S&T is collaborating on a new effort to arm agencies with a digital alerting system that taps into NEXTGEN public TV broadcasting technologies to deliver emergency dispatches faster.