250 Comparisons across terrestrial and marine ectotherms reveal that marine species experience temperatures closer to their upper thermal limits, and that local extirpations related to warming are more common in the ocean.
https://www.nature.com/articles/s41586-019-1132-4
249 Dating glacier ice of the last millennium by quantum technology.
https://www.pnas.org/content/116/18/8781
248 Global forecasts of shipping traffic and biological invasions to 2050.
https://www.nature.com/articles/s41893-019-0245-y
247 Limits to the world’s green water resources for food, feed, fiber, timber, and bioenergy.
https://www.pnas.org/content/116/11/4893
246 Redox and pH gradients drive amino acid synthesis in iron oxyhydroxide mineral systems.
https://www.pnas.org/content/116/11/4828
245 Room temperature CO2 reduction to solid carbon species on liquid metals featuring atomically thin ceria interfaces.
https://www.nature.com/articles/s41467-019-08824-8
244 Global-scale dispersal and connectivity in mangroves.
https://www.pnas.org/content/116/3/915
243 Geomorphic evolution of a gravel‐bed river under sediment‐starved vs. sediment‐rich conditions: River response to the world's largest dam removal.
https://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2018JF004703
242 A large impact crater beneath Hiawatha Glacier in northwest Greenland.
http://advances.sciencemag.org/content/4/11/eaar8173
241 Satellite observations reveal over 200 ammonia hotspots associated with agricultural and industrial point sources, which emit much larger quantities of ammonia to the atmosphere than previously thought.
https://www.nature.com/articles/s41586-018-0747-1
240 High-resolution imaging techniques show that aromatic amino acids such as tryptophan formed abiotically and were subsequently preserved at depth beneath the Atlantis Massif of the Mid-Atlantic Ridge, supporting the hydrothermal theory for the origin of life.
https://www.nature.com/articles/s41586-018-0684-z
239 Narrow thermal tolerance and low dispersal drive higher speciation in tropical mountains.
http://www.pnas.org/content/115/49/12471
238 A recent shift in the pigmentation phenotype of a wild Neotropical primate.
https://www.sciencedirect.com/science/article/pii/S1616504718302374
237 A long-term survey unveils strong seasonal patterns in the airborne microbiome coupled to general and regional atmospheric circulations.
http://www.pnas.org/content/115/48/12229
236 Quantification of energy and carbon costs for mining cryptocurrencies.
https://www.nature.com/articles/s41893-018-0152-7
235 Estimating species distribution and abundance in river networks using environmental DNA.
http://www.pnas.org/content/115/46/11724
234 Current CaCO3 dissolution at the seafloor caused by anthropogenic CO2.
http://www.pnas.org/content/115/46/11700
233 Climate change has caused a reversal in patterns of shorebird nest predation rates such that Arctic birds suffer more predation.
http://science.sciencemag.org/content/362/6415/680
232 The demise of caterpillar fungus in the Himalayan region due to climate change and overharvesting.
http://www.pnas.org/content/115/45/11489
231 Remote subsurface ocean temperature as a predictor of Atlantic hurricane activity.
http://www.pnas.org/content/115/45/11460
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