microscopic

These microscopic organisms produce a large share of the planet's oxygen and form the base of the ocean food chain.

At the microscopic scale, researchers are developing tiny robots that could work together to navigate the human body to deliver medication or clear blockages without surgery.

By using the molecular environment as a microscopic stand-in for a particle collider, they confined the radium atom's electrons and increased the likelihood that some would briefly pass through the nucleus.

He said microscopic amounts of blood in stool can be indicative of a polyp or early cancer.

These microscopic clusters, known as alpha-synuclein oligomers, have long been suspected as the starting point for Parkinson's, but they have remained undetectable in human brain tissue -- until now.