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Anti-PD-1 therapy in unresectable desmoplastic melanoma: the phase 2 SWOG S1512 trial. [PDF]

open access: yesNat Med
Kendra KL   +32 more
europepmc   +1 more source

Maya Postclassic persistence in the Birds of Paradise Wetland Fields, Belize. [PDF]

open access: yesProc Natl Acad Sci U S A
Sánchez-Morales LM   +12 more
europepmc   +1 more source

RETRACTED: A 12,800-year-old layer with cometary dust, microspherules, and platinum anomaly recorded in multiple cores from Baffin Bay.

open access: yesPLoS One
Moore CR   +20 more
europepmc   +1 more source
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Obsidian

2021
Obsidian is silicic volcanic glass that has undergone minimal crystallization, and has been documented in volcanic products spanning rhyolitic to phonolitic compositions. Although most abundant within lava flows, obsidian is also found in volcanic bombs and shallow intrusion margins.
Tuffen, Hugh   +4 more
  +4 more sources

Fission track dating of obsidians

Nuclear Tracks, 1981
Abstract Fission-track dating is applied to 16 obsidian artifacts from an archaeological excavation at Cayonu Tepesi in southeastern Anatolia. Since obsidian samples are rich in bubbles and inclusions, only the six most compact samples were found to be usable for fission-track measurements.
Yegingil Z., Göksu Y.
openaire   +2 more sources

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