Tucked away in the misty mountains of North Georgia sits a roadside attraction so delightfully bizarre it might just make you believe in the unbelievable – Expedition Bigfoot, a museum entirely ...

Atmospheric science is the study of the dynamics and chemistry of the layers of gas that surround the Earth, other planets and moons. This encompasses the interactions between various parts of the ...

PPM and PPB are units used in atmospheric chemistry to describe the concentration of gases. PPM stands for parts of gas per million parts of air, and PPB is parts per billion. If that's not easy to ...