Why, for example, should a group of simple, stable…

Science probes; it does not prove. Imagine Newton's reaction to an objector of his law of gravity who argued that he could not establish…

— Robert M. Pirsig

“Living organisms are constructed, for the most part, from compounds of carbon and hydrogen. Carbon is critical because of its astonishing flexibility. Add hydrogen,…

— David Christian

We need to go back to our relationship with nature and understand that those trees are our lungs. The earth is recycling as our…

— Deepak Chopra

Many years ago it was taught that plants and animals were composed of different materials: plants, of a chemical substance of three elements,- carbon,…

— Asa Gray

I believe that at the moment of death, that the soul is released in a molecular form, that actually goes into the - the…

— Dan Aykroyd

Four elements, Hydrogen, carbon, oxygen and nitrogen, also provide an example of the astonishing togetherness of our universe. They make up the "organic" molecules…

— George Wald

All the green in the planted world consists of these whole, rounded chloroplasts wending their ways in water. If you analyze a molecule of…

— Annie Dillard

In a certain sense I made a living for five or six years out of that one star [Ï… Sagittarii] and it is still…

— Jesse L. Greenstein

From the results so far obtained it is difficult to avoid the conclusion that the long-range atoms arising from collision of alpha particles with…

— Ernest Rutherford

“I regard breathing industrial gas to be as harmful as heavy smoking.”

— Steven Magee

…oysters are the only food that never causes indigestion. Indeed, a man would have to eat sixteen dozen of these acephalous molluscs in order…

— Jules Verne

“Before artificial nitrogen fertilizer became widely available, the world's population was around 2 billion. When we no longer have it - or if we…

— Alan Weisman

And to use something as elegant as a tree? Imagine this design assignment: Design something that makes oxygen, sequesters carbon, fixes nitrogen, distills water,…

— William McDonough

We sometimes freeze the specimen with liquid nitrogen, which is extremely cold, you know. This is another technique we use now - but the…

— Lennart Nilsson

Our bodies are garbage heaps: we collect experience, and from the decomposition of the thrown-out eggshells, spinach leaves, coffee grinds, and old steak bones…

— Natalie Goldberg