geek.com – Researchers discovered an impact crater bigger than Paris buried beneath an ice sheet in northern Greenland. Measuring more than 31 kilometers (19 miles) in diameter, the cavity was formed when an iron meteorite …
Source: Kurt H. Kjær, et al. A large impact crater beneath Hiawatha Glacier in northwest Greenland. Science Advances, 2018.
geek.com – A super-Earth-like exoplanet has been discovered orbiting the “nearby” Barnard’s Star (only six light-years away!). Spotted using data from a global array of telescopes—including the European Organization for Astronomical Research in the Southern …
Source: I. Ribas, et al. A candidate super-Earth planet orbiting near the snow line of Barnard’s star. Nature, 2018.
upi.com – New genomic research has revealed two previously unknown human migrations from North to South America.
Source: Cosimo Posth, et al. Reconstructing the Deep Population History of Central and South America. Cell, 2018.
scienceblog.com – A multi-center study of the genetic remains of people who settled thousands of years ago in the Andes Mountains of South America reveals a complex picture
Source: John Lindo, et al. The genetic prehistory of the Andean highlands 7000 years BP though European contact. Science Advances, 2018.
discovermagazine.com – Native Americans' ancestors spread quickly through the Americas once they arrived, reaching South America's tip within a few thousand years.
Source: J. Víctor Moreno-Mayar, et al. Early human dispersals within the Americas. Science, 2018.
latimes.com – A widely anticipated study has concluded that neither vitamin D nor fish oil supplements prevent cancer or serious heart-related problems in healthy older people.
Source: JoAnn E. Manson, et al. Vitamin D Supplements and Prevention of Cancer and Cardiovascular Disease. New England Journal of Medicine, 2018.
arstechnica.com – The 40,000-year-old cave painting in a cave in Borneo depicts a speared animal.
Source: M. Aubert, et al. Palaeolithic cave art in Borneo. Nature, 2018.
sciencedaily.com – Researchers found that Houston's urban landscape directly contributed to the torrential rainfall and deadly flooding of Hurricane Harvey in 2017. Houston's risk for extreme flooding was 21 times greater due to urbanization. The results highlight the human role in extreme weather events and the need to consider urban and suburban development when calculating hurricane risk.
Source: Wei Zhang, Gabriele Villarini, Gabriel A. Vecchi, James A. Smith. Urbanization exacerbated the rainfall and flooding caused by hurricane Harvey in Houston. Nature, 2018.
zmescience.com – Music is free and doesn't have negative side effects, unlike sleeping aid drugs.
Source: Tabitha Trahan, Simon J. Durrant, Daniel Müllensiefen, Victoria J. Williamson, Stephany Fulda. The music that helps people sleep and the reasons they believe it works: A mixed methods analysis of online survey reports. PLOS ONE, 2018.
discovermagazine.com – Our resting metabolism appears to be controlled by a circadian rhythm that causes our bodies to burn more calories at night.
Source: Kirsi-Marja Zitting, et al. Human Resting Energy Expenditure Varies with Circadian Phase. Current Biology, 2018.