The nose knows, but how exactly is a mat...  ...a twist: odorant molecules typically contain many hydrogen atoms. And hydrogen comes in multiple forms, each very chemically sim...  ...to the others. But those different isotopes of hydrogen do strongly...

This picture shows what hydrogen atoms might look like if we could see them. The...  ...The chart above shows the appearance of a single hydrogen atom in a few of its lowest excited states. In ea...  ...f 3D probability densities. So even the humble hydrogen atom can be a bi...

At Chromoscope, you start with a boilerplate view...  ...ay, infrared, microwave, or radio.  Above is the hydrogen

Image: Alan Friedman of Averted ImaginationAlan Fr...  ...extremely large ball of bubbling hot gas, mostly hydrogen gas. The above picture of our Sun was taken last...  ...month in a specific red color of light emitted by hydrogen gas called Hydrogen -alpha and then color inver...

Don't dispose of that liquid gold, there's money t...  ...at liquid gold, there's money to be made from the hydrogen in it. Hydrogen can be an abundant source of energy, but it's har...  ...r component, urea. Its make-up, a 2-to-1 ratio of hydrogen and nitrogen, is convenien...

It was 72 years ago today that the Hindenburg caug...  ...riginally believed to be sulfur, which can ignite hydrogen , but it was later determined that it was probably...  ...went up in flames. Another sub-theory is that hydrogen gas was in the air, perhaps due to a leak, and th...  ...was hit. As it landed,...