New! Jiaheng Shen 's Nature Geoscience article, combining porphyrin 15N data with a sediment database and the COPSE model to explain the C-cycle perturbation leading to Ordovician #MassExtinction. x.com/NatureGeosci/s…

Thanks @rpancost for the shout-out! Tiny Algae May Have Prompted a Mass Extinction eos.org/articles/tiny-…

Created with AppStore.com/KeepCalmCreator #keepcalmandcarryon, @_SPruss_

#GDGTs, #biomarkers Pleased to share our two part series on archaeal C-13 and its apparent sensitivity to growth conditions. authors.elsevier.com/a/1ZW5T3p4ZGMh…

#GDGTs, #biomarkers Pleased to share our two part series on archaeal C-13 and its apparent sensitivity to growth conditions. authors.elsevier.com/c/1ZW5T3p4ZGMh…

Congratulations to Elise on her latest paper! (I almost typoed “last”!😱) authors.elsevier.com/c/1ZmGR3p4ZGN7…

Felix Ellings new paper constrains the magnitude of the PETM CIE to a narrow range, ca. -3.5 to -4.0 permil. rdcu.be/bT2KC

So much in our diets is made of corn, except, apparently, candy corn...

Follow-up: Here are all the data we have collected over the years on geographic and dietary influence on human d13C values (keratin). EPS 187 class project.

What does a 9 inch ice core sound like when dropped down a 450 foot hole? Like this! Credit to Peter Neff for the idea and Scripps Polar Center, Jenna Epifanio, PhD, Geosciences Princeton University, @US_IceDrilling, and Ian Nesbitt for the execution!

Brexit Cup, 2016 - the first game in many years not to result in any hospitalizations! #50YrsOrgGeochemGRC

Some recordings destined to top the charts... These Harvard undergrads can Model youtu.be/NA_46hB4yt4 ("Wobble") and are Geolicious youtu.be/DyY_gW7yGt4 ("Fergalicious"). Watch all of SCHOOL OF ROCKS here: youtube.com/playlist?list=…

2Me hopanoids linked to amplification of the aerobic recycling arms of the marine nitrogen cycle - Congratulations, Felix Elling @lipidorama, Jordon Hemingway @FluvialSeds, and rest of the group! www-pnas-org.ezp-prod1.hul.harvard.edu/content/early/…

A surfeit of good times at the GRC #organicgeochemistrygrc2022! So great to see many Pearson Lab alumni and friends; apologies to David Naafs 👨‍🔬, he should be in the photo too.

Article: The first pulse of the Permian-Triassic mass extinction was driven by intense weathering, suppressing CO2 while food web collapse and prolonged warming drove the second pulse Jiaheng Shen Pearson Lab Yige Zhang/张一歌 Yang Huan nature.com/articles/s4156…

So happy today for #RobinWallKimmerer, 2022 MacArthur Fellow, whose book Braiding Sweetgrass is a masterpiece!

#Archaea our N mari have a manor! 🤣

Beautiful! #GoogleDoodle g.co/doodle/ybt9k4

Influence of Carbon Source on the Distribution of C Isotopes in Bacteria. #Goldschmidt2017 (gold2017:abs:2017004748) postersmith.com/poster/share/9…

Loving our job opposites this morning... A "Lumberjack Model"? Opposite of Bio + Geoscientist. nyti.ms/2vgbqGR via The Upshot