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  • Tracing the Path of Pathogens after Large-Scale Contamination with Biological Agents

    To respond quickly to contamination with a biological agent near a major coastal city, DHS ST and partners have examined the movement of pathogen’ spores, which may be carried downstream by runoff after rainstorms, thereby complicating mitigation and decontamination measures.

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  • UN, U.S. Dismiss Russian Claim of Biological Weapons Program in Ukraine

    Western nations criticized Russia on Friday for trying to use the U.N. Security Council to spread disinformation and lies about alleged biological weapons laboratories in Ukraine, which the U.N. said are untrue.

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  • Can Ukraine Be Saved Without Triggering a Nuclear Response?

    Worries about the war in Ukraine are deepened by the prospect that if, against the odds, Russian forces are brought to the point of defeat, Putin will launch a ‘battlefield’ or ‘tactical’ nuclear weapon to destroy the forces opposing the Russian military, and, perhaps, even attack military bases inside neighboring countries – some are NATO member states – which provide supplies to the resistance.

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  • What Are the Risks at the Chernobyl Nuclear Plant?

    Threat of a nuclear catastrophe is low. But experts fear for safety of workers who have been unable to rotate off shift. Communications with the site are down and electricity has reportedly been lost.

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  • Russian Attack on, Takeover of Ukraine Plant Ramps Up Nuclear Threat

    Russia’s attack last Friday on a nuclear power plant in southeastern Ukraine has heightened concerns of a nuclear catastrophe in the region, and not only as a result of unintended leaks or possible future attacks on Ukraine’s three remaining nuclear plants. Statements by Russian President Vladimir Putin and Foreign Minister Sergey Lavrov have further deepened worries that Russia may seek to turn material in captured reactors into “dirty bombs.”

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  • The Dangers Following Russia’s Attack on the Zaporizhzhia Nuclear Power Plant

    Following recent news of Russian shelling of Zaporizhzhia nuclear power plant in southern Ukraine, which is the largest in Europe, there is great concern over the potential for a Chernobyl-esque release of radioactive material. Several security personnel at the plant were injured by the attack.

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  • Exploring the Impact of the COVID-19 Pandemic on Nuclear Security

    A new study examines measures put in place in the nuclear sector in the U.K. to mitigate risks from the pandemic. The study identifies a series of lessons learnt in maintaining nuclear security. It also provides recommendations for managing the continuing impact of the pandemic and preparing for future crises.

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  • Improved Nuclear Accident Code Helps Policymakers Assess Risks from Small Reactors

    New software will help the global nuclear industry in assessing the consequences of nuclear accidents. The Maccs code, developed by Sandia researchers, can also evaluate the potential health and environmental risks posed by advanced nuclear reactors and small modular nuclear reactors.

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  • Providing Student Research Opportunities to Strengthen Nuclear Security

    Student researchers at The University of Texas at El Paso Aerospace Center will engage in nuclear materials technology research through a five-year, $5 million grant from the U.S. Department of Energy (DOE). Work will focus on the design, synthesis and fabrication of advanced materials.

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  • State Department’s New Chemical Forensics International Technical Working Group

    The U.S. Department of State has established the Chemical Forensics International Technical Working Group (CFITWG) to address gaps in chemical forensic science and capabilities through an international partnership of experts from science, policy, academic, law enforcement, and export-control organizations.

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  • Fog Detection Software Helps Keep Travelers Safe

    Fog and low stratus clouds over airports can create dangerous travel conditions that result in costly delays and disrupted travel plans. A new fog detection software will help.

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  • The Resilience and Safety of Nuclear Power in the Face of Extreme Events

    As the prospect of extreme global events grows — from natural disasters and intensifying climate change-driven weather patterns that could affect a nuclear plant, to a rise in infectious diseases that could affect its workforce — nuclear power plants’ adaptable workforces and robust designs will be essential to staying resilient and contributing to a low carbon path to the future.

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  • Opening Architecture to Make Air Travel Safer, Easier

    Researchers have developed an open architecture for airport screening systems, which will allow air travelers to experience faster and safer security checkpoints — no need to open bags or remove liquids or shoes.

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  • Ensuring Safe Nuclear Waste Disposal

    Disposal concepts call for the waste to be isolated a third of a mile belowground for safe storage, enclosed within engineered barrier systems and surrounded by subsurface rock. But there’s still the chance radionuclides might leak out if these systems lose their protective properties as it heats up due to radioactive decay. International nuclear waste disposal research effort evaluates maximum allowable temperature for buffer material.

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  • Radioactive Contamination Is Creeping into Drinking Water Around the U.S.

    As mining, fracking and other activities increase the levels of harmful isotopes in water supplies, health advocates call for tighter controls.

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More headlines

  • TSA Deploys Compact Baggage Screening System Developed With DHS, Industry Partner IDSS
  • DHS S&T Transitions New Compact Baggage Screener to TSA
  • Army Bases Unprepared for Chemical, Biological Attacks
  • DHS, Army Partner to Provide New Chemical Security Laboratory Capability
  • Flood sensors give Montgomery Co. new way to track water levels remotely
  • DHS S&T Seeks Innovative Tech to Defend Against Chemical and Biological Threats
  • DHS S&T Seeks Mobile Radiation Detection Systems for Emergency Responders
  • MyShake early warning app ready for Seattle earthquake alerts
  • MIA is first U.S. airport to test COVID-19 detector dogs
  • OIG Finds TSA Did Not Assess Explosives Detection Canine Team Program for Surface Transportation Security
  • Nuclear reactor restarts, but Japan’s energy policy in flux
  • Hawking says he lost $100 bet over Higgs discovery
  • Kansas getting $500K in law enforcement grants
  • Bill widens Sacramento police, sheriff’s contract security opportunities
  • DHS awards $97 million in port security grants
  • DHS awarding $1.3 billion in 2012 preparedness grants
  • Cellphone firms share location data with law enforcement, not users
  • Residents of Murrieta, California, will have to subscribe for emergency services
  • Ohio’s Homeland Security funding drops sharply
  • Ports of L.A., Long Beach get Homeland Security grants
  • Homeland security gets involved with Indiana water conservation
  • LAPD embraces “predictive policing”
  • New GPS rival is hack-proof
  • German internal security service head quits over botched investigation
  • Americans favor Obama to defend against space aliens: poll
  • U.S. Coast Guard creates “protest-free zone” in Alaska oil drilling zone
  • Congress passes measure to enhance Israel security ties
  • Wickr enables encrypted, self-destructing iPhone messages
  • NASA explains Why clocks got an extra second on 30 June
  • Cybercrime disclosures rare despite new SEC rule
  • First nuclear reactor to go back online since Japan disaster met with protests
  • Israeli security fence architect: Why the barrier had to be built
  • DHS allocates nearly $10 million to Jewish nonprofits
  • Turkey deploys troops, tanks to Syrian border
  • Israel fears terror attacks on Syrian border
  • Ontario’s emergency response protocols under review after Elliot Lake disaster
  • Colorado wildfires to raise insurance rates in future years
  • Colorado fires threaten IT businesses
  • Improve your disaster recovery preparedness for hurricane season
  • London 2012 business continuity plans must include protecting information from new risks

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The long view

  • Keeping the Lights on with Nuclear Waste: Radiochemistry Transforms Nuclear Waste into Strategic Materials

    How UNLV radiochemistry is pioneering the future of energy in the Southwest by salvaging strategic materials from nuclear dumps –and making it safe.

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  • Model Predicts Long-Term Effects of Nuclear Waste on Underground Disposal Systems

    The simulations matched results from an underground lab experiment in Switzerland, suggesting modeling could be used to validate the safety of nuclear disposal sites.

    • Read more
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