Zoom in to Globular Star Cluster NGC 6397

This video zooms into a Hubble Space Telescope view of globular star cluster NGC 6397. This ancient stellar jewelry box, a globular cluster called NGC 6397, glitters with the light from hundreds of thousands of stars. The new measurement…

The Human Body Is Too Complex for Easy Fixes

In 2016, I became the lucky parent of a newborn who slept horribly. Of course, this meant that my wife and I slept horribly, too. We rested in small snatches and were constantly irritable. We were a mess, writes Samuel Arbesman. As a…

Shrimp and Zucchini Ribbons

When sliced thinly, raw zucchini can provide all the fresh crispness of a salad while also holding the fresh flavors of a citrus marinade. Which is why it’s perfect for this recipe, bringing a cool contrast to the chili-accented shrimp and…

What Brain Freeze?

What Exactly Is Brain Freeze and How Do I Make It Stop? Also known as ice cream headache, the sudden pain can almost make you regret that triple scoop of mint chocolate chip. Here's the science behind why it happens, plus how to ease it…