It is created by bombarding plutonium-239 with neutrons in a nuclear reactor. The resulting isotope, californium-252, is then separated from other materials and purified, a lengthy and costly process.

For example, californium-252 costs $27 million per gram. There are cheaper isotopes - americium-241 costs $140 thousand per gram. This is when obtaining the isotope in a nuclear reactor.

The UFC Fight Night 252 live stream promises to be one of the best instalment yet in the non-PPV series, as the Octagon returns to Seattle, Washington, for the first time in a decade. Two-division ...

The UFC’s long-awaited return to Climate Pledge Arena in Seattle is officially in the books, and like any fight card, it had its highs and lows. The main event ended on a sour note, but the ...

The UFC was back in Seattle for the first time since 2013 on Saturday night, and it's fair to say fans in "The Emerald City" were rewarded for the long wait with an excellent Fight Night card ...

We want your predictions for Saturday’s UFC Fight Night 252. Our staff picks feature includes the consensus picks from MMA Junkie readers. Simply cast your vote for each bout below, and we’ll use the ...

SEATTLE – UFC Fight Night 252 took place Saturday with 12 bouts on the lineup. We’ve got you covered with backstage winner interviews from Climate Pledge Arena. You can hear from all the UFC Fight ...

Cejudo lost in a title bout against Aljamain Sterling at UFC 288 May 6, 2023, by split decision. He returned at UFC 298 against Merab Dvalishvili, and he suffered a unanimous-decision loss. After 3 ...

In a 3-round catch weight bout on the main card, Rob Font and Jean Matsumoto meet at UFC Fight Night 252 — also known as UFC on ESPN+ 110 and UFC Seattle — Saturday at Climate Pledge Arena. Let’s ...

The Ballard Blossom saga now goes back some eight years.

aRadiation Oncology Division, Department of Oncology, Clínica Universitaria, University of Navarra, Pamplona, Spain bDepartment of Orthopaedic Surgery, Clínica Universitaria, University of Navarra, ...