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Science
“#NASA satellite gives a hello to tropical storm Dolly” NASA’s Terra satellite provided a visible image of Tropical Storm Dolly in the western North Atlantic Ocean on June 23, 2020 at 1:30 p.m. EDT. Credit: NASA Worldview During the morning of June 23, the fourth system in the Northern Atlantic Ocean was a subtropical depression….
“#Laser allows solid-state refrigeration of a semiconductor material” University of Washington researchers used an infrared laser to cool a solid semiconductor material—labeled here as “cantilever”—by at least 20 degrees C, or 36 F, below room temperature. Credit: Anupum Pant To the general public, lasers heat objects. And generally, that would be correct. But lasers also…
“#Scientists use protein, RNA to make hollow, spherical sacks called vesicles” A polarization microscopy image of protein-RNA vesicles created in the lab. The vesicles—hollow, spherical sacks—were made without traditional lipid building blocks. The microscopy image shows an optical birefringent pattern typical of liquid crystalline materials. Credit: Ibraheem Alshareedah Using protein and RNA, scientists have created…
“#University students develop AI to detect fast radio bursts” Devansh Agarwal. Credit: Scott Lituchy/West Virginia University West Virginia University’s Duncan Lorimer might be the godfather of the fast radio burst, but a pair of international students has taken exploring these mysterious cosmic flashes to a new level. In 2007, Lorimer was credited for helping discover…
“#Innovative smartphone-camera adaptation images melanoma and non-melanoma” Two dermascope implementations. The USB-camera-based PMSI and PWLI dermascope is shown in (a) and (b). (a) Various components of the handheld imaging module (the USB camera is hidden behind the imaging polarizer) and (b) the imaging module paired with the smartphone camera. The smartphone-camera-based PMSI and PWLI dermascope…
“#Slow-growing rotavirus mutant reveals early steps of viral assembly” Rotaviruses infect cells to produce more viruses. One of the first steps of rotavirus replication is building rotavirus factories called viroplasms, seen in panel A as round, yellow dots inside rotavirus-infected monkey kidney epithelial cells (cell nuclei are colored in teal). But when rotaviruses carry the…
“#Slow transit of sediment in Australia’s Murray-Darling river system distorts environmental signal: study” The Paroo River at Eulo, Queensland, in Australia’s Murray-Darling River system. Credit: Reka Fulop, UOW Sediment can take a million years or more to travel from the mountains of the Great Dividing Range to the mouth of the Murray River, new research…
“#Powerful earthquake shakes southern, central Mexico” A policeman stands in front of a partially collapsed building after an earthquake in Oaxaca,, Mexico, Tuesday, June 23, 2020. The earthquake was centered near the resort of Huatulco, in the southern state of Oaxaca. (AP Photo/Luis Alberto Cruz Hernandez) A powerful earthquake centered near the southern Mexico resort…
“#NASA’s first planetary defense mission target gets a new name” Illustration of NASA’s DART spacecraft and the Italian Space Agency’s (ASI) LICIACube prior to impact at the Didymos binary system. Credits: NASA/Johns Hopkins APL/Steve Gribben Nearly two decades ago, a near-Earth asteroid was discovered to have a moon and the binary system was given the…
“#Suomi NPP satellite captures 63 mile smoke trail from bush fire” Bush Fire in Arizona. Credit: NASA Worldview NOAA/NASA’s Suomi NPP satellite captured this image of the Bush Fire on June 22, 2020 showing clouds of smoke pouring off the Bush Fire that is plaguing Arizona. Overnight (to the 23rd) the fire grew to 186,848…