Lunar Tales: The First (Imaginative) Moon Landings

Posted on Categories Discover Magazine

This iconic shot from the 1902 film A Trip to the Moon shows the fabled Man in the Moon embedded with a massive, bullet-like spacecraft that was launched from Earth by a giant cannon. (Credit: drmvm1/Flickr) It’s been 50 years since humans first landed on the Moon. But for how long have we rehearsed those first steps in our imaginations? This we do know: We’ve been telling each other tales about our Moon-landing dreams for nearly 2,000 years. The earliest known written story ab ...read more

‘Drunken Monkey’ Hypothesis: Was Booze an Advantage For Our Ancestors?

Posted on Categories Discover Magazine

(Credit: Manekina Serafima/Shutterstock) Worldwide, people drink over 65 billion gallons of alcohol each year. The United States’ share, if divided equally across the adult population, would amount to about two and a half gallons of pure alcohol per person, annually. And this thirst seems to be universal: Fermented beverages have been found in nearly every society, as far back as archaeologists can detect their existence. That’s the idea behind the “drunken monkey&rdquo ...read more

A ‘Ridge’ of Plasma Connects These Merging Galaxies

Posted on Categories Discover Magazine

Two galaxy clusters, Abell 0399 and Abell 0401, are merging about 1 billion light-years from Earth. This image shows the clusters' cores (red) in X-ray-light. The two are linked by a thin filament (yellow and blue), which glows faintly in microwaves and radio waves. (Credit: DSS and Pan-STARRS1 (optical), XMM-Newton (X-rays), PLANCK satellite (yparameter), F. Govoni, M. Murgia, INAF) Galaxy clusters are a great place to peer in on the physics that govern our universe. Not only are these cosm ...read more

There’s a Metabolic Limit of How Much Energy We Have for Endurance Events

Posted on Categories Discover Magazine

A runner on the 3,080-mile Race Across the USA (RAUSA) in 2015. Some of the RAUSA runners were included in a study to determine the metabolic limit for how much energy the body can absorb from food for endurance events. (Credit: Bryce Carlson) Many marathon runners know the boost that can come from popping a mid-race energy gel. (Mmmm, calorie-rich goop.) But according to new research published in Science Advances, when it comes to endurance events, there’s a limit to how much energy th ...read more

Firearm Access Associated With Suicide Risk For U.S. Soldiers

Posted on Categories Discover Magazine

(Credit: Bumble Dee/Shutterstock) Since 2004, the rate of death by suicide has exceeded that of death by combat injury for American soldiers. A review of more than 100 cases involving the suicide of an active-duty soldier found a significant association between firearm ownership, access and usage patterns and increased risk of suicide. The study, published today in the open-access, online-only journal JAMA Network Open, conducted psychological autopsies of 135 U.S. soldiers who committed ...read more