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Science
“#Engineers use ‘DNA origami’ to identify vaccine design rules” A depiction of the double helical structure of DNA. Its four coding units (A, T, C, G) are color-coded in pink, orange, purple and yellow. Credit: NHGRI By folding DNA into a virus-like structure, MIT researchers have designed HIV-like particles that provoke a strong immune response…
“#New research reveals plant control with the power of light” Scientists have found a way to control different plant processes — such as when they grow — using nothing but colored light.The development reveals how coloured light can be used to control biological processes in plants by switching different genes on and off. PULSE enables…
“#Multifunctional nanofiber protects against explosions” Para-aramid nanofiber sheets atop Twaron® sheets after fragment simulation projectile testing. Credit: Grant Gonzalez/Harvard SEAS Since World War I, the vast majority of American combat casualties has come not from gunshot wounds but from explosions. Today, most soldiers wear a heavy, bullet-proof vest to protect their torso but much of…
“#Deforestation and land-clearing are taking a toll on Brazil’s corn yield” Corn fields being harvested in central Mato Grosso (in the Cerrado), Brazil. Credit: Stephanie Spera. Brazil is one of the top three producers of both soy and corn globally, and its agricultural sector accounts for one-fifth of the country’s economy. Deforestation and land-clearing practices…
“#Researchers reveal air pollution’s connection to infant mortality” A woman walks through a sandstorm in Chad, home of the Bodélé Depression—the largest source of dust emissions in the world. Credit: George Steinmetz Dust sweeping across the Southeast U.S. in recent days warns of a growing risk to infants and children in many parts of the…
“#Team shows how to store data using 2-D materials instead of silicon chips” This illustrates how an experimental memory technology stores data by shifting the relative position of three atomically thin layers of metal, depicted as gold balls. The swirling colors reveal how a shift in the middle layer affects the motion of electrons in…
“#The magnetic history of ice” Next to Prof. Oded Aharonson is the tri-axial Helmholtz Coil used to generate the magnetic field during the growing of the ice samples. Credit: Weizmann Institute of Science The history of our planet has been written, among other things, in the periodic reversal of its magnetic poles. Scientists at the…
“#3-D magnetotelluric imaging reveals magma recharging beneath Weishan volcano” Cartoon interpretation of magma reservoirs beneath Weishan volcano. Credit: Gao Ji et al A collaborative research team from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences (CAS) and China Geological Survey (CGS) have succeeded in obtaining a high-resolution 3-D…
“#Combating climate change: Why investors should keep their shares in fossil fuel companies” Contradictory messaging. Credit: Alex Bee / Shutterstock.com As we begin to engage with the climate emergency and the impact of carbon dioxide emissions, calls have grown to stop investing in companies engaged in fossil fuel production—a practice known as divestment. The University of…
“#Three new studies show unwanted changes in human embryo genome after CRISPR-Cas9 editing” CRISPR (= Clustered Regularly Interspaced Short Palindromic Repeats) DNA fragment, E.Coli. Credit: Mulepati, S., Bailey, S.; Astrojan/Wikipedia/ CC BY 3.0 Three teams working independently to test the possibility of using CRISPR–Cas9 gene editing to remove genetic defects in human embryos report finding…