Radiocarbon dating

I Hajdas, P Ascough, MH Garnett, SJ Fallon… - Nature Reviews …, 2021 - nature.com
Radiocarbon dating uses the decay of a radioactive isotope of carbon (14C) to measure time
and date objects containing carbon-bearing material. With a half-life of 5,700±30 years …

[HTML][HTML] Challenges and perspectives on tackling illegal or unsustainable wildlife trade

CS Fukushima, P Tricorache, A Toomes… - Biological …, 2021 - Elsevier
Illegal or unsustainable wildlife trade (IUWT) currently presents one of the most high-profile
conservation challenges. There is no “one-size-fits-all” strategy, and a variety of disciplines …

Changes to Carbon Isotopes in Atmospheric CO2 Over the Industrial Era and Into the Future

H Graven, RF Keeling, J Rogelj - Global biogeochemical cycles, 2020 - Wiley Online Library
Abstract In this “Grand Challenges” paper, we review how the carbon isotopic composition of
atmospheric CO2 has changed since the Industrial Revolution due to human activities and …

Species identification of ivory and bone museum objects using minimally invasive proteomics

C Gilbert, V Krupicka, F Galluzzi, A Popowich… - Science …, 2024 - science.org
Ivory is a highly prized material in many cultures since it can be carved into intricate designs
and have a highly polished surface. Due to its popularity, the animals from which ivory can …

Atom counting with accelerator mass spectrometry

W Kutschera, AJT Jull, M Paul, A Wallner - Reviews of Modern Physics, 2023 - APS
Accelerator mass spectrometry (AMS) was born in the late 1970s, when it was realized at
nuclear physics laboratories that the accelerator systems can be used as a sensitive mass …

Optical measurement of radiocarbon below unity fraction modern by linear absorption spectroscopy

AJ Fleisher, DA Long, Q Liu, L Gameson… - The journal of …, 2017 - ACS Publications
High-precision measurements of radiocarbon (14C) near or below a fraction modern 14C of
1 (F14C≤ 1) are challenging and costly. An accurate, ultrasensitive linear absorption …

Elephant genotypes reveal the size and connectivity of transnational ivory traffickers

SK Wasser, CJ Wolock, MK Kuhner… - Nature human …, 2022 - nature.com
Transnational ivory traffickers continue to smuggle large shipments of elephant ivory out of
Africa, yet prosecutions and convictions remain few. We identify trafficking networks on the …

[HTML][HTML] Capturing the short-term variability of carbon dioxide emissions from sedimentary rock weathering in a remote mountainous catchment, New Zealand

T Roylands, RG Hilton, MH Garnett, G Soulet… - Chemical …, 2022 - Elsevier
Weathering of organic carbon contained in sedimentary rocks (petrogenic OC, OC petro) is
an important control on the concentrations of carbon dioxide (CO 2) and oxygen in the …

Combating transnational organized crime by linking multiple large ivory seizures to the same dealer

SK Wasser, A Torkelson, M Winters, Y Horeaux… - Science …, 2018 - science.org
Rapid growth in world trade has enabled transnational criminal networks to conceal their
contraband among the 1 billion containers shipped worldwide annually. Forensic methods …

Uncovering the magnitude of African pangolin poaching with extensive nanopore DNA genotyping of seized scales

D Yeo, AHJ Chan, KC Hiong, J Ong, JY Ng… - Conservation …, 2024 - Wiley Online Library
Trade in pangolins is illegal, and yet tons of their scales and products are seized at various
ports. These large seizures are challenging to process and comprehensively genotype for …