Potato-sized lumps of metal on the seafloor are generating oxygen, a new study has found. Scientists previously believed that oxygen was strictly formed as a byproduct of photosynthesizing plants.

Big question. Grit, determination, hardworking, handsome, charming, funny. Teacher: Well, I guess. But you're actually made of atoms. In fact, everything is made of atoms. Presenter: It's funny, ...

Why does your favorite T-shirt fade over time in the sun? Why do you get sunburn and why does autumn herald with brown leaves? These questions all have one thing in common: the interplay between dye ...

The dot and cross diagram shows that a water molecule is made up of one oxygen atom joined to two hydrogen atoms, so the formula of water is H 2 O. A nitrogen molecule is made up of two nitrogen atoms ...

What do molecules look like? – Justice B., age 6, Wimberley, Texas A molecule is a group of atoms bonded together. Molecules make up nearly everything around you – your skin, your chair, even your ...