Most of us will undergo a procedure requiring a general anesthesia at some point in our lives. Although it’s one of the safest medical practices, we still haven’t grasped what the anesthesia does to our brains. A new study, however, sheds some light on why the drug seems to only affect specific parts of the brain. Science Alert explains: https://flip.it/SV41nP #Science#Health#Medicine
#PPOD: ESA's ExoMars orbiter caught a close-up view of a huge crater on Mars. This remnant of an ancient impact is just one of the many scars asteroids have inflicted upon the Red Planet. Water, volcanoes, and impacts from asteroids shaped the Martian surface in the ancient past, but the preservation of this impact is remarkable. The crater is located in Utopia Planitia and is about 8 km in diameter. Credit: ESA/TGO/CaSSIS
If you’ve noticed a green-colored flash with the sun on the horizon just after sunset or before sunrise, consider yourself lucky. What causes these brief, rare and colorful spectacles? They’re the result of sunlight being separated into different colors, an optics researcher at the University of Glasgow explains. Live Science has more, including how and where you will more likely to see a green flash at dusk or dawn. https://flip.it/FDQgx2 #Science#Earth#Color#Sun#Scenery#Sunrise#Sunset
