Pumas found to exhibit behaviors like social animals

sciencedaily.com – Pumas, long known as solitary carnivores, are more social than previously thought, according to a new study. The findings provide the first evidence of complex social strategies in any solitary carnivore -- and may have implications for multiple species, including other wild cats around the world.

Source: L. Mark Elbroch, Michael Levy, Mark Lubell, Howard Quigley, Anthony Caragiulo. Adaptive social strategies in a solitary carnivore. Science Advances, 2017.

Astronomers Spot Ring Around Dwarf Planet

geek.com – It’s an exciting time for astronomy. If it’s not the constant stream of newly discovered exoplanets, it’s the new discoveries about our own solar system. Every week it seems, we gain a better …

Source: J. L. Ortiz, et al. The size, shape, density and ring of the dwarf planet Haumea from a stellar occultation. Nature, 2017.

A History of Soot Preserved in Feathers

scienceblog.com – When gliding through our old and rusty skies, You filtered out the wheezing, blackened air; A century of progress built on lies, Now captured in the feathered down you wear. The smut and ash th­­­a…

Source: Shane G. DuBay, Carl C. Fuldner. Bird specimens track 135 years of atmospheric black carbon and environmental policy. Proceedings of the National Academy of Sciences, 2017.

Scientists Find Universe’s Missing Atoms

geek.com – For years, scientists have been trying to answer the big questions: Why rainbows are so awesome, what makes cats so… weird, and just where the hell is most of the “Stuff” in the …

Source: Anna de Graaff, Yan-Chuan Cai, Catherine Heymans, John A. Peacock. Missing baryons in the cosmic web revealed by the Sunyaev-Zel'dovich effect. arXiv, 2017.

Paleogenomic analysis sheds light on Easter Island mysteries

sciencedaily.com – New paleogenomic research appears to rule out the likelihood that inhabitants of Easter Island intermixed with South Americans prior to the arrival of Europeans on the island in 1722.

Source: Lars Fehren-Schmitz, et al. Genetic Ancestry of Rapanui before and after European Contact. Current Biology, 2017.

Astronomers Are Finally Mapping the “Dark Side” of the Milky Way

sciam.com – Half of our home galaxy is terra incognita. That will soon change

Source: Alberto Sanna, Mark J. Reid, Thomas M. Dame, Karl M. Menten, Andreas Brunthaler. Mapping spiral structure on the far side of the Milky Way. Science, 2017.

Nasa carbon space observatory 'watches Earth breathe'

bbc.com – A US space agency satellite provides new insights on how CO2 is moved through Earth's atmosphere.

Source: A. Eldering, et al. The Orbiting Carbon Observatory-2 early science investigations of regional carbon dioxide fluxes. Science, 2017.

Magic mushrooms relieve depression symptoms by ‘reseting’ brain

zmescience.com – Patients reported feeling 'reset' or 'rebooted'. Their depression symptoms improved immediately after taking the drug.

Source: Robin L Carhart-Harris, Guy M Goodwin. The Therapeutic Potential of Psychedelic Drugs: Past, Present, and Future. Neuropsychopharmacology, 2017.

Astronomers find half of the missing matter in the universe

theguardian.com – Scientists produce indirect evidence of gaseous filaments and sheets known as Whims linking clusters of galaxies in the cosmic web

Source: Hideki Tanimura, et al. A Search for Warm/Hot Gas Filaments Between Pairs of SDSS Luminous Red Galaxies. arXiv, 2017.

Study Illuminates Genetics of Skin Color

the-scientist.com – Researchers identified genes related to melanin levels in African populations.

Source: Nicholas G. Crawford, et al. Loci associated with skin pigmentation identified in African populations. Science, 2017.