The long-held dream of chemists to observe the structural dynamics of a single molecule have been now made possible. Single molecules sized about 1 nanometer (nm, 1 billionth of a meter) exist in a ...

Basic biology textbooks will tell you that all life on Earth is built from four types of molecules: proteins, carbohydrates, lipids, and nucleic acids. And each group is vital for every living ...

One of the world's greatest mysteries is how life on Earth began. Scientists have long sought to decipher where and how prebiotic molecules - those that preceded life - emerged. A new study suggests ...

In living organisms today, complex molecules like RNA and DNA are constructed with the help of enzymes. So how did these molecules form before life (and enzymes) existed? Why did some molecules end up ...

From plants and bacteria to animals and humans, our world is filled with many living things. In fact, there are approximately 8.7 million species of plants and animals in existence, and only 1.2 ...