Why do your knuckles pop? – Eleanor Nelsen
What’s that sound? Depending on whom you ask, the crackle of popping joints is either the sound of sweet relief or the noxious tones of a stomach-turning habit. Really, though....
What’s that sound? Depending on whom you ask, the crackle of popping joints is either the sound of sweet relief or the noxious tones of a stomach-turning habit. Really, though....
You may know that it takes light a zippy eight minutes to reach us from the surface of the Sun, so how long do you think it takes light to...
There’s a common misconception that if you like to meticulously organize your things, keep your hands clean, or plan out your weekend to the last detail, you might have OCD....
You probably know the feeling. Your phone utters its final plaintive “bleep” and cuts out in the middle of your call. In that moment, you may feel more like throwing...
When you picture a spaceship, you probably think of something like this, or this, or maybe this. What do they all have in common? Among other things, they’re huge because...
Maybe you’ve recently seen the phrase “gluten-free” on food packaging, or take-out menus, shampoo bottles, apartment listings, the tag of your shirt, on a hammer, as a lower back tattoo,...
Just now, somewhere in the universe, a star exploded. There goes another one. In fact, a supernova occurs every second or so in the observable universe, and there is one...
In the 18th century, Swedish botanist Carolus Linnaeus designed the flower clock, a timepiece made of flowering plants that bloom and close at specific times of day. Linnaeus’s plan wasn’t...
Imagine an island where 100 people, all perfect logicians, are imprisoned by a mad dictator. There’s no escape, except for one strange rule. Any prisoner can approach the guards at...
In 1895, a physicist named Wilhelm Roentgen was doing experiments with a cathode tube, a glass container in which a beam of electrons lights up a fluorescent window. He had...