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Twin Galaxies in Virgo Spiral galaxy pair NGC 4567 and NGC 4568 share this sharp cosmic vista with lonely elliptical galaxy NGC 4564. All are members of the large Virgo Galaxy Cluster . With their classic spiral arms, dust lanes, and star clusters, the eye-catching spiral pair is also known as the Butterfly Galaxies or the Siamese Twins. Very close together, the galaxy twins don't seem to be too distorted by gravitational tides. Their giant molecular clouds are known to be colliding though and are likely fueling the formation of massive star clusters. The galaxy twins are about 52 million light-years distant , while their bright cores appear separated by about 20,000 light-years. Of course, the spiky foreground stars lie within our own Milky Way. February 01, 2019 via NASA https://go.nasa.gov/2RXVF4a ...

Health Weighing the risks against the benefits is key. Sue Cunliffe, a former pediatrician, wrote in a debate about whether ECT should still be used in medicine today in the British Journal of Medicine this week that she… via Popular Science "http://bit.ly/2GjFhnR"

Muscle Month Electro Muscle Stimulation training isn’t snake oil, but it’s not magic. Electro Muscle Stimulation training isn’t snake oil, but it’s not magic. Here's what I learned while trying it. via Popular Science "http://bit.ly/2Tt9Ivy"

Space We've only scratched the surface. A new study published in JAMA Neurology this week provides more concerning details on how spaceflight changes the brain. The findings inadvertently underscore just how… via Popular Science "http://bit.ly/2Bc3w3C"

Technology Millions of people cut the cord, but the Super Bowl broadcast is still well within your reach. Watching the Super Bowl used to be as simple as flipping to the correct channel. Now, you just need to know where to look. via Popular Science "http://bit.ly/2EltiTz"

Today's Deal: Save 33% on Farm Together !* Look for the deals each day on the front page of Steam. Or follow us on twitter or Facebook for instant notifications wherever you are! *Offer ends Saturday at 10AM Pacific Time via Steam RSS News Feed "http://bit.ly/2Slxa08"

Steel Division 2 is Now Available for Pre-Purchase on Steam! Steel Division 2 is a historically-accurate WW2 real-time strategy game set on the Eastern Front. Features 1:1-scale turn-based army management and real-time tactical battles with thousands of men at your order. via Steam RSS News Feed "http://bit.ly/2S19LSj"

Gadgets There are zero football-shaped dip bowls on this list. Super Bowl gadgets that you'll be happy to have on game day as well as all year round. via Popular Science "http://bit.ly/2Ws8677"

Focusing on Lewis Hine's Photographic Technique By Barbara Orbach Natanson The following is a guest post by Ryan Brubacher, Reference Librarian, Prints & Photographs Division John Howell, an Indianapolis newsboy … Photo by Lewis Hine, 1908 Aug. (The shadow of the photographer and his camera are in the foreground.) National Child Labor Committee Collection http://bit.ly/2RwxMvL Lewis Hine, at a certain point in his career, began to refer to himself as an "interpretive photographer" and not a social photographer as he'd been previously termed. While we might imagine him an investigative photo-journalist by today's standards, his own assessment points to the degree that style and aesthetic decisions played into the images he created – even before he articulated the change. The Library of Congress holds two significant groups of Hine's photographs, the ...

Science Heard a big boom during a polar vortex? Here's what's up. Is it cold outside? Are you hearing loud booming sounds in the middle of the night? Don’t call the Ghostbusters—it’s probably just a frost quake. via Popular Science "http://bit.ly/2HJgOub"

Technology The first carseats were more about keeping kids corralled than protecting them in a crash. For squishy babies, cars present a fate worse than diaper rash. Securing kids during a ride took decades to perfect. via Popular Science "http://bit.ly/2CXOYoA"

Science A new strategy could help archaeologists reveal a cremated skeleton's sex. Ancient cremation methods left bones in tiny fragments, making it difficult for modern archaeologists to identify sex, gender, and population demographics. A new PLOS… via Popular Science "http://bit.ly/2RvD8qO"