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Science

#Researchers propose novel high-performance dual-ion batteries with 3-D porous structure

Admin6 years ago04 mins

“#Researchers propose novel high-performance dual-ion batteries with 3-D porous structure” The formation of the LTO@3DC composite. Credit: SIAT Dual-ion batteries (DIBs) consisting of a graphite anode and cathode have attracted increasing attention due to their advantages of environmental friendliness, excellent cyclic stability and good safety. Lithium titanate (LTO) has emerged as a promising anode material…

Science

#Chemical thermometers take temperature to the nanometric scale

Admin6 years ago04 mins

“#Chemical thermometers take temperature to the nanometric scale” Temperature map of a gold nanowire on a silicon substrate, Joule-heated by the application of an electrical current of 7 mA, obtained through infrared thermography (top) and a spin-crossover surface thermometer (bottom). While heating remains undetectable in infrared due to low thermal and spatial resolution, temperature distribution…

Science

#Scientists uncover first atomic structure of Epstein-Bar virus nucleocapsid

Admin6 years ago05 mins

“#Scientists uncover first atomic structure of Epstein-Bar virus nucleocapsid” This electron microscopic image of two Epstein Barr Virus virions (viral particles) shows round capsids—protein-encased genetic material—loosely surrounded by the membrane envelope. Credit: DOI: 10.1371/journal.pbio.0030430.g001 A team of Chinese scientists, led by Prof. Yu Xuekui from the Shanghai Institute of Materia Medica (SIMM) of the Chinese…

Science

#Replacing lithium with sodium in batteries

Admin6 years ago07 mins

“#Replacing lithium with sodium in batteries” Credit: Pixabay/CC0 Public Domain An international team of scientists from NUST MISIS, Russian Academy of Science and the Helmholtz-Zentrum Dresden-Rossendorf has found that instead of lithium (Li), sodium (Na) “stacked” in a special way can be used for battery production. Sodium batteries would be significantly cheaper and equivalently or…

Science

#When power is toxic: Dominance reduces influence in groups

Admin6 years ago010 mins

“#When power is toxic: Dominance reduces influence in groups” Dominant and subordinat male A. burtoni Credit: The Jordan Lab Being the strongest, biggest and most aggressive individual in a group might make you dominant, but it doesn’t mean you make all the decisions. A new study of fish behavior published in the Proceedings of the…

Science

#6.9-magnitude quake hits Papua New Guinea

Admin6 years ago02 mins

“#6.9-magnitude quake hits Papua New Guinea” Map locating the epicenter of a 6.9-magnitude quake in PNG on Friday. A powerful 6.9-magnitude earthquake struck eastern Papua New Guinea Friday, rocking residents across the pacific nation, the US Geological Survey reported. The quake struck at a depth of 85 kilometres (51 miles) near the eastern coast around…

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#Shark pulls 10-year-old from fishing boat in Australia

Admin6 years ago03 mins

“#Shark pulls 10-year-old from fishing boat in Australia” Australia has one of the world’s highest incidences of shark attacks and there have been five fatal maulings in the country so far this year A shark “grabbed” a 10-year-old boy from a fishing boat off Australia on Friday but swam off after his father jumped in to save…

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#UAE Mars mission liftoff on Japan rocket reset for Monday

Admin6 years ago04 mins

“#UAE Mars mission liftoff on Japan rocket reset for Monday” The liftoff of a United Arab Emirates’ Mars orbiter, postponed due to bad weather at the launch site in southern Japan, is now set for Monday. The orbiter named Amal, or Hope, is the Arab world’s first interplanetary mission. The launch, initially scheduled for Wednesday…

Science

#NASA’s Hubble successor delayed again by virus, other issues

Admin6 years ago06 mins

“#NASA’s Hubble successor delayed again by virus, other issues” In this 2017 photo made available by NASA, technicians lift the mirror assembly of the James Webb Space Telescope using a crane inside a clean room at NASA’s Goddard Space Flight Center in Greenbelt, Md. On Thursday, July 16, 2020, officials announced that the telescope is…

Science

#Megaphages harbor mini-Cas proteins ideal for gene editing

Admin6 years ago011 mins

“#Megaphages harbor mini-Cas proteins ideal for gene editing” A megaphage (left), a member of a bacteriophage family Biggiephage, injects its DNA — including genes for CasΦ (red) — into bacterial cells to turn the bacteria against the phage’s competitor (top). The reddish Pac-Man-like figures are CasΦ proteins, enzymes that cut up viral DNA. The genome…