Science Previews: Nature Magazine – July 28, 2022

Carbon dating hampered by rising fossil-fuel emissions – Archaeologists will increasingly have to rely on other techniques as emissions continue to alter the composition of carbon isotopes in air.
- Nicola Jones News 27 Jul 2022 = How humans’ ability to digest milk evolved from famine and diseaseLandmark study is the first major effort to quantify how lactose tolerance developed.
- Ewen Callaway News 27 Jul 2022 – Dual action of ketamine confines addiction liabilityExperiments in mice show that although ketamine has positive reinforcement properties, which are driven by its action on the dopamine system, it does not induce the synaptic plasticity that is typically observed with addiction.
- Linda D. Simmler
- Yue Li
- Christian LüscherArticle 27 Jul 2022