A screenshot of an interview between DDN editor Stephanie DeMarco and Serva Energy CEO Ian Horvath.

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A photo of a parking sign in a parking lot on the UC Irvine campus.

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A screenshot of the audio tracks in Adobe Audition involved in bringing DDN Dialogues podcast listeners along to the nuclear reactor site visit.

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Stephanie DeMarco wears winter boots on the tile floor of a bathroom.

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Take a look into the making of the DDN Dialogues podcast episode: From warhead to cancer-killer, the quest for more actinium-225.

Behind the podcast: Sounding off in a nuclear reactor

Articles

A stack of solid lead bricks sit on a wooden pallet on the floor of the nuclear reactor laboratory at UC Irvine.

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A photo looking down into a nuclear reactor.

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A wooden panel with tags shows the arrangement of different components of the nuclear reactor.

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A pneumatic tube moves up against a wall with a “caution radiation area” sign nearby.

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 The metal hatch that transports samples into the nuclear reactor.

Actinium-225 is a radioactive isotope that kills cancer cells with a burst of alpha particles, but it was difficult to make enough of it &mdash; until now.

From warhead to cancer-killer, the quest for more actinium-225

Podcasts

A microscopic view of a family of four tardigrades of the species Hypsibius exemplaris swimming in a water droplet.

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Tyler Gonzalez points to a tardigrade in its tun state on a computer monitor attached to a microscope in Thomas Boothby’s laboratory at the University of Wyoming. Shraddha KC sits at the microscope and looks at the monitor.

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Kazuharu Arakawa stands in front of multiple computer servers with a stuffed brown tardigrade on his shoulder.

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Roger Chang stands next to a lab bench in his laboratory at the Albert Einstein College of Medicine

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A microscopic view of a tardigrade is shown over a black background. Fluorescent green and red markers tag specific proteins in the tardigrade’s cells.

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Gary Pielak stands next to a microscope in his laboratory at the University of North Carolina Chapel Hill, holding a blue plushy tardigrade.

Tardigrades survive heat, freezing, and even space radiation. Now, researchers translate lessons learned from these creatures into more stable drug formulations and new health insights.

Tardigrades protect proteins on the brink of death

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December 2025

A network of interconnected human icons overlaid on a world map, representing global collaboration and population-scale data connections.

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Illumina

New collaborative initiatives are bringing pharmaceutical R&amp;D together around large-scale datasets to accelerate therapeutic discovery.

Partnering to translate population-scale signals into mechanistic insights for faster drug discovery

Modeling neurotropic viral infections using human cerebral organoids

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Li-Cor

Using fetal-stage brain organoids, researchers are uncovering how Zika virus impacts neurodevelopment and contributes to microcephaly.&nbsp;

Webinars

Completing the real-time data picture in bioprocess development

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RedShiftBio

Explore approaches to integrating timely protein titer measurements with cell health data to improve bioprocess visibility and decision-making.

radiation

Behind the podcast: Sounding off in a nuclear reactor

From warhead to cancer-killer, the quest for more actinium-225

Tardigrades protect proteins on the brink of death

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December 2025