Browsing: Blog

Nutritional advice about eggs, naturally high in cholesterol, has been scrambled over the past 50 years.Jag_cz via Shutterstock The practice of nutritional science faces some significant problems, and they are mainly of its own making. For decades, starting in the 1950s, a consensus of experts recommended that Americans cut down on fat, cholesterol, and saturated […]

To explain her motivations as a writer, Anna Badkhen quotes the Polish poet Zbigniew Herbert: “you have little time you must give testimony.” Badkhen recently stopped by the Nautilus office to sit for an interview and take us behind the scenes of “The Men Who Planted Trees,” her cover story for the Spring 2014 Nautilus […]

Your heart rate speeds up, your breathing quickens. Your muscles tighten. Your stomach ties itself in knots. All of these changes are symptoms of the condition called stress. When animals, including humans, are under acute stress, their bodies respond with a powerful neurochemical chain reaction. Glucose, the fuel for our cells, is released into the […]

A new study shows that the comb jelly Pleurobrachia bachei evolved its complex features, including neurons and muscles, separately from animals like us.Leonid Moroz and Mat Citarella Our brains, perched atop a network of nerve cells that ascend the length of our bodies, are thought to have arisen once in an animal hundreds of millions […]

A Ganado-style Navajo rugNational Park Service For many thousands of years, and across cultures around the world, symmetry has been seen as beautiful. The mirror-image accuracy of the Parthenon is seen also in the Taj Mahal and the geometric patterns of traditional Navajo rugs. We see symmetry in more fluid, modern media, too, like the […]

Two months ago, we learned of landmark evidence bolstering the theory of inflation, a period very soon after the Big Bang when the Universe expanded at a terrific rate, stretching out and smoothing its lumps, and making it remarkably consistent on large scales. A recent study confirms that, even 13.8 billion years after the […]

When you look in the mirror, the image you see looks a lot like you—not exactly the same, because when you raise your right hand, your mirror-self raises its left. What’s more, the mirror image is merely an assemblage of reflected light, without a physical body behind it. Despite these differences, you can see an […]

In interviews, famous people often say that the key to becoming both happy and successful is to “do what you love.” But mastering a skill, even one that you deeply love, requires a huge amount of drudgery. Any challenging activity—from computer programming to playing a musical instrument to athletics—requires focused and concentrated practice. A […]

Elephant dung perfumes the air, a fresh, sweet smell, with undertones of sour vegetation. These balls of waste, scattered across the Kenyan savanna, carry the aroma of the bush, an open sea of acacia trees, aloe vera, Sansevieria, and drapes of elephant pudding, a succulent vine that tastes like salty snap beans but smells like […]