newscientist.com – The oldest confirmed dog remains found in North America support the idea that the first Americans – and their dogs – travelled along the Pacific coast
Source: Flavio Augusto da Silva Coelho, Stephanie Gill, Crystal M. Tomlin, Timothy H. Heaton, Charlotte Lindqvist. An early dog from southeast Alaska supports a coastal route for the first dog migration into the Americas. Proceedings of the Royal Society B: Biological Sciences, 2021.
arstechnica.com – The genus Homo originated with a brain that still had ape-like features.
Source: Marcia S. Ponce de León, et al. The primitive brain of early Homo. Science, 2021.
newscientist.com – We tend to default to solving problems by adding features rather than removing them, potentially failing to recognise efficient solutions that involve simplification
Source: Gabrielle S. Adams, Benjamin A. Converse, Andrew H. Hales, Leidy E. Klotz. People systematically overlook subtractive changes. Nature, 2021.
nytimes.com – No es el próximo bosón de Higgs, todavía. Pero la mejor explicación, según los físicos, tiene que ver con formas de materia y energía no conocidas actualmente por la ciencia.
Source: Sz. Borsanyi, et al. Leading hadronic contribution to the muon magnetic moment from lattice QCD. Nature, 2021.
livescience.com – The difference between 2 degrees and 4 degrees of warming is measured in millions of gigatons of ice.
Source: E. Gilbert, C. Kittel. Surface melt and runoff on Antarctic ice shelves at 1.5°C, 2°C and 4°C of future warming. Geophysical Research Letters, 2021.
newscientist.com – Xenobots, named after the frog species Xenopus laevis that the cells come from, were first described last year. Now the team behind the robots has improved their design and demonstrated new capabilities
Source: Douglas Blackiston, et al. A cellular platform for the development of synthetic living machines. Science Robotics, 2021.
nytimes.com – Making the digital artworks requires colossal amounts of computing power, and that means greenhouse gases.
Source: Shangrong Jiang, et al. Policy assessments for the carbon emission flows and sustainability of Bitcoin blockchain operation in China. Nature Communications, 2021.
wired.com – At any given time, 1,100 tons of microplastic are floating over the western US. New modeling shows the surprising sources of the nefarious pollutant.
Source: Janice Brahney, et al. Constraining the atmospheric limb of the plastic cycle. Proceedings of the National Academy of Sciences, 2021.
newscientist.com – It is now possible to grow and culture human brain tissue in a device that costs little more than the price of a cup of coffee
Source: Ikram Khan, et al. A low-cost 3D printed microfluidic bioreactor and imaging chamber for live-organoid imaging. Biomicrofluidics, 2021.
eurekalert.org – Worldwide, 1 in 4 people will suffer from a depressive episode in their lifetime. While current diagnosis and treatment approaches are largely trial and error, a breakthrough study by Indiana University School of Medicine researchers sheds new light on the biological basis of mood disorders, and offers a promising blood test aimed at a precision medicine approach to treatment.
Source: H. Le-Niculescu, et al. Precision medicine for mood disorders: objective assessment, risk prediction, pharmacogenomics, and repurposed drugs. Molecular Psychiatry, 2021.
science20.com – At the height of his career, the pioneering electrical engineer Nikola Tesla became obsessed with an idea.
Source: Aline Eid, Jimmy G. D. Hester, Manos M. Tentzeris. 5G as a wireless power grid. Scientific Reports, 2021.