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Science
“#Consumers prefer round numbers even when the specific number is better news” Credit: CC0 Public Domain Consider this scenario: A vaccine for the novel coronavirus has been developed that is 91.27% effective. If public health officials present this information using the specific number, people are likely to think the vaccine is actually less effective than…
“#How does Earth sustain its magnetic field?” Credit: Carnegie Institution for Science How did the chemical makeup of our planet’s core shape its geologic history and habitability? Life as we know it could not exist without Earth’s magnetic field and its ability to deflect dangerous ionizing particles from the solar wind and more far-flung cosmic…
“#Researchers study effects of cellular crowding on the cell’s transport system” The researchers used high resolution microscopy and laser optical tweezers to study motor proteins. Credit: George Shubeita As many diseases, including neurodegenerative diseases such as Alzheimer’s, have been linked to the defective functioning of motor proteins in cell transport systems, understanding the intricacies of…
“#Dying stars breathe life into Earth: study” NGC 7789, also known as Caroline’s Rose, is an old open star cluster of the Milky Way, which lies about 8,000 light-years away toward the constellation Cassiopeia. It hosts a few White Dwarfs of unusually high mass, analyzed in this study. Credit: Guillaume Seigneuret and NASA As dying…
“#Harvard invites freshmen to campus, but classes stay online” In this Aug. 13, 2019 file photo, students walk near the Widener Library in Harvard Yard at Harvard University in Cambridge, Mass. The Ivy League school announced Monday, July 6, 2020, that as the coronavirus pandemic continues its freshman class will be invited to live on…
“#NASA finds wind shear battering tropical storm Edouard” On July 6 at 1:45 a.m. EDT (0545 UTC), the MODIS instrument aboard NASA’s Aqua satellite gathered temperature information about Tropical Storm Edouard’s cloud tops. MODIS found a small area of powerful thunderstorms (red) where temperatures were as cold as or colder than minus 70 degrees Fahrenheit…
“#Iron in the Greenland ice core relative to Asian loess records over the past 110,000 years” The δ18O (A), CO2 concentration (B), dust particle (C) and DFe (D) concentrations over the past 110 kyr B.P.. The red stars represent the ice samples for this study. The data of δ18O, dust particle and DFe from NEEM…
“#Highest peak power and excellent stability demonstrated in a laser” Long term stability of the Ho:YLF chirped pulse amplifier at a 1 kHz repetition rate. The average pulse energy Emean=52.5 mJ was measured over a period of 120 minutes. The standard deviation has a value of σrms=0.23%, the pulse-to-pulse energy fluctuations are ΔEp-to-p=2.1%. Left inset:…
“#Making plastic more transparent while also adding electrical conductivity” Jay Guo holds a sheet of flexible transparent conductor on the University of Michigan’s College of Engineering North Campus. The material sandwiches a thin layer of silver between two “dielectric” materials, aluminum oxide and zinc oxide, producing a conductive anti-reflection coating on the sheet of plastic….
“#How do bacteria build up natural products?” A complex of three proteins protects the highly reactive hexaketide when it is extended to the octaketide. In cooperation with other proteins, important natural substances are produced from the resulting octaketide. Credit: Maximilian Schmalhofer and Prof. Dr. Michael Groll/TUM The active agents of many drugs are natural products,…